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Foraging for food is a basic behavioral repertoire for birds in the wild. The lack of opportunities for companion birds to engage in this behavior may play an important role in the development of abnormal behaviors. For example, Snyder et al documented that Puerto Rican Amazon parrots spend approximately 4–6 hour per day foraging and that they routinely travel several miles between sites. In contrast, companion birds in our homes like the orange-winged Amazon parrot spend approximately 30–72 minutes per day eating a pelleted diet without traveling, manipulating food items, and not attempting to balance their own diet. It has been suggested…

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Herbivore nutrition separates animals into two main categories, depending on where food particles are broken down and fermented prior to absorption. The categories are foregut and hindgut fermenters, with the hindgut group being broken down into colonic and cecal fermenters.

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Looking for an emergency equipment checklist? Review general recommendations for preparing yourself, your staff, and your practice to special species.

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Guinea pigs tend to be shy, sweet-natured creatures. Guinea pigs are prey species. Their survival depends on the ability to be alert and respond quickly, and they possess acute senses of smell and hearing. Approach guinea pigs in a calm, quiet manner…

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Rabbits are prey species. Their survival depends on the ability to be alert and respond quickly, and they possess acute senses of smell and hearing. Approach rabbits in a calm, quiet manner. Stressed or critically ill rabbits may not tolerate prolonged handling. Evaluation and treatment may need to proceed slowly in stages.

Article Presenting Problem

Diarrhea is the most common clinical sign in ferrets with gastrointestinal disease, with the exception of gastrointestinal foreign bodies where anorexia and weight loss are the primary presenting complaints. Important causes of diarrhea in young ferrets include coccidiosis and rotavirus. Ferrets of all ages may be afflicted with Helicobacter gastritis, ferret enteric coronavirus, and stress-induced diarrhea while middle-aged to older ferrets may suffer from inflammatory bowel disease and intestinal lymphoma. Although signalment, history, and physical exam findings may be sufficient to reach a tentative diagnosis, additional diagnostics may include cytology such as fecal parasite testing, and imaging. Treatment will vary with the specific condition identified but frequently includes…

Article Presenting Problem

Lethargy, total or partial anorexia, a reduction in fecal output, or scant fecal size can all indicate critical illness in rabbits. Problems that slow the gut are often uncomfortable, however rabbits tend to mask pain and discomfort, especially when frightened. Signs of fear and pain in the rabbit can include…

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Individuals that work or live with birds may be at risk for zoonotic diseases. An average 250 human cases of Chlamydophila psittaci are reported annually in the United States.

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Providing nutrition to the hospitalized small mammal is a fairly straightforward process. Encourage owners to bring their pet’s “regular” diet to minimize the risk of food refusal or gastrointestinal upset. Also consider keeping the following food items available…

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Depending on their age and size, snakes may be fed multiple times in one week or every 2 to 4 weeks. If nutritional support is truly needed, then assisted feeding is indicated in the hospitalized snake. Tube feeding is commonly performed in critically ill snakes after fluid therapy and supplemental heat is provided.

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Exotic animal medicine requires a delicate balance between medical concepts true for all living creatures (“one medicine”) and species-specific information and this is true for lizards.

Lizard behavior varies with the species, however the normal lizard tends to be alert, responsive, and curious. Some species, like the bearded dragon and leopard gecko tend to be particularly active and animated while most chameleons are more…

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The lethargic, weak chelonian may exhibit a lack of carpal or truncal lift. It may sit flat on the exam table instead of lifting up on all four feet, and it may not be able to retract its head into the shell with the expected degree of strength. It can be challenging to…

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A collection of online resources related to emergency medicine and critical care. This list of links come from a variety of academic institutions and professional organizations.

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In September 2017, LafeberVet sent out a brief poll soliciting recommendations for use in emergency and critical care settings. The results are listed here. A collection of textbooks and periodical journals for further study of veterinary emergency medicine and critical care are also listed.

Article Presenting Problem

Abnormal urine in the rabbit typically appears white and chalky or pigmented. These changes can be related to the unique metabolism of calcium in the rabbit. Rabbits absorb nearly all calcium ingested; therefore blood levels vary substantially with the calcium content of the diet…

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This brief article was created to serve as a synopsis of LafeberVet’s longer, more detailed “Avian Analgesia” authored by avian veterinarian, Dr. Michelle Hawkins.

Article Video Webinar

When Kara Burns, veterinary technician specialist in nutrition, visited Tuskegee University School of Veterinary Medicine during the fall of 2014, her lecture on critical care nutrition made a big impression on the veterinary medical students. This 48-minute presentation explores the basics of nutritional supportive care appropriate for all species before concluding with information on nutritional support of special species like birds, reptiles and exotic companion mammals.

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In many birds, the eye is the most important sensory organ, and even partial impairment of vision has far-reaching consequences. Unfortunately, ocular lesions are a common finding during ophthalmic examination in birds of prey.

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Pancreatic beta cell tumor or insulinoma is commonly seen in middle-aged to older pet ferrets in some nations, including the United States. This article reviews the common clinical picture as well as expected laboratory results. While there is no cure for beta cell tumors, surgical debulkment of the tumor with possible partial pancreatectomy is the treatment of choice. This treatment modality is discussed as well as medical management, which centers around corticosteroid and/or diazoxide administration.

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Insufficient dietary fiber can turn a happy, healthy rabbit into a HUGE, potentially catastrophic, clinical problem. Read about the basis for a healthy diet in Hay: Feeding Small Herbivores, reviewed by forage extension specialist, S. Ray Smith.

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The large size of the raptor eye and its relative lack of orbital protection superiorly and laterally means any form of head trauma frequently involves the eye and its associated structures. In one report, ocular injuries were most commonly caused by vehicular collision, gunshot and leghold traps. The most common clinical finding in birds of prey presented for medical attention is hyphema. Trauma may also lead to…

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Restraint collar devices are also referred to as ‘neck collars’ or ‘safety collars’. The most common restraint collar is the Elizabethan collar (or e-collar). Many different manufacturers sell e-collars and modified e-collars designed for different species and for specific purposes. Restraint collars are widely used to prevent undesirable behaviors and self-injury. Clinically, veterinarians have used restraint collars in birds to prevent self-mutilation or self-trauma and to prevent animals from removing intravenous catheters, bandages, and other external devices.

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Many exotic animals seen in clinical practice are prey species. In the wild, individuals that appear sick or injured are easy prey for predators, and they may even be segregated or attacked by group members. When faced with the stress of a strange examination room, most prey species will attempt to appear alert and strong as an instinctive survival adaptation.

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Air sac cannulas are routinely used to ventilate birds by a route other than endotracheal intubation. Air sac tubes are used for oxygenation and anesthesia, especially during surgery of the head or trachea where tracheal intubation would be cumbersome. In addition, air sac cannulas provide a means to medicate air sacs directly, and they are also used to aid dyspneic birds with tracheosyringeal obstruction from foreign bodies, granulomas, or tumors.

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Unfortunately the sedentary lifestyle of the companion bird makes obesity one of the most common forms of malnutrition seen in clinical practice. Pet birds are fed too much food or they are fed diets rich in sources of fat, such as sunflower seeds .

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Head trauma may occur when a bird flies into an object such as a window or ceiling fan, or when falls occur secondary to an improper wing trim, neurologic disease, or severe weakness. Evaluate the bird for evidence of head trauma such as blood in the choanal slit, ears, or nares. Gently palpate the skull. A fracture of pneumatic skull bone can allow air to escape creating emphysema. The pupillary light response (PLR) should also be evaluated, although PLR may be absent in birds with a normal reflex path due to avian anatomic differences. Perform a fundic exam, particularly in…

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Providing a bird with good nutrition often has different meanings for clinicians and clients. While the goal is to provide a diet that mimics the diet of that particular species in the wild, in captivity those strategies for feeding parrots are very different.

Article

An average 250 human cases of Chlamydophila psittaci are reported annually in the United States. Clinical signs typically follows a 5 to 14 day incubation period. Disease ranges from subclinical to systemic illness with severe pneumonia. Most people demonstrate sudden onset fever, headache, malaise, and myalgia with a non-productive cough that can be accompanied by breathing difficulty and chest tightness. Splenomegaly and…

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There are two types of seeds fed to pet birds: oil seeds and non-oil seeds. Oil seeds are a rich source of energy and vitamin E. Oil seeds such as sunflower seeds contain at least 50% fat and are low in calcium. Non-oil seeds such as millet are much lower in fat when compared to oil seeds and the energy present is stored as starch.

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The principles of fluid therapy are basically the same in exotic companion mammals as in other species. The biggest difference is that changes can occur very rapidly in these tiny patients. For instance, fluids should almost always be warmed or your patient will cool down quickly. Intraosseous or intravenous fluids can be heated with…

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Encephalitozoon cuniculi is an obligatory intracellular microsporidian parasite that can infect a wide range of mammals, including humans. The primary host for E. cuniculi is the rabbit and infections in rabbits are typically subclinical. This zoonotic concern article reviews transmission and clinical disease in humans.

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Blood collection is challenging in sugar gliders. Heavy sedation or general anesthesia, using isoflurane or sevoflurane, is almost always required in clinical practice. The most common sites for blood collection in the glider are the jugular vein and the…

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Blood collection is challenging in rats and mice, and heavy sedation or general anesthesia is almost always required in clinical practice. Increasing patient body temperature to promote vasodilation can also be helpful. Gently warm the rodent by placing its cage on a heating pad set on low or by placing the cage in an incubator set at 39°C (102°F) for 5 to 10 minutes. Monitor the patient carefully…

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The ferret is a carnivore with a short, simple gastrointestinal tract and a relatively rapid gastrointestinal transit time. Diarrhea is the most common clinical sign in ferrets with gastrointestinal disease, with the exception of gastrointestinal foreign bodies where anorexia and weight loss are the primary presenting complaints.

Article Presenting Problem

Respiratory tract disease is common in captive snakes. Pneumonia and/or tracheitis are typically caused by opportunistic Gram-negative bacterial infections that are allowed to take hold due to poor husbandry practices. Disease is often unapparent to the owner until the problem is quite advanced and open-mouth breathing is observed. This presenting problem article explores key points of urgent care as well as general principles of case management.

Article Presenting Problem

Primarily a disease of captive reptiles, dysecdysis is sporadically seen in free-ranging reptiles. Among captive reptiles, difficult sheds are most common in those with a complete shedding cycle: snakes and some geckos such as the leopard gecko and African fat-tailed gecko. Some skinks with relatively tiny digits, are prone to retaining shed skin on the digits.

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Rhinitis or sinusitis, sometimes called “snuffles” in laymen’s terms, is usually characterized by unilateral or bilateral, mucopurulent nasal discharge, sneezing, and congestion. A subtle sign of upper respiratory tract disease can be discharge matted on the paws or the medial aspect of the forelimbs. Discharge may collect here as the rabbit fastidiously cleans its face with its forepaws. In the early stages of disease, discharge may not be evident on the nose or even on the paws, however close examination of…

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The most common presentation of P. multocida infection is upper respiratory tract disease. Pasteurella multocida was identified as a cause of mucopurulent rhinitis in rabbits or “snuffles” in the 1920s. Clinical signs include mucopurulent nasal discharge, sneezing, congestion, and/or snoring. Infection of the nasolacrimal duct may extend to the conjunctiva causing ocular discharge and nasolacrimal duct obstruction. Affected rabbits may also have…

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External reproductive anatomy is obvious in some adult small mammals such as the ferret, sugar glider, hedgehog, rat, guinea pig, and hamster. Gender determination or sexing can be challenging in some species like the chinchilla, and in many neonatal rodents. In these cases, reliance on anogenital distance or the distance between the rectum and the urogenital region is considered best practice.

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The average small animal veterinarian may easily become comfortable with ferrets. Ferrets are hardy and relatively stoic, and as members of the order Carnivora, ferrets are predator species that approach the world in a manner similar to cats and dogs. A relatively small number of medical problems are seen very commonly in ferrets. Careful study of these conditions and attention to the unique aspects of ferret anatomy and behavior will prepare the veterinarian for basic emergency care of the ferret.

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Is your patient strong enough to handle manual restraint and a complete physical examination? In the debilitated or dyspneic patient, initially it may be prudent to place the patient in an incubator or oxygen cage in a dark, quiet room before evaluation. Even after the bird has had time to gather its strength and calm down after the stress of transport, it may only be strong enough to handle diagnostic testing, including physical examination, and treatment in stages.

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Snake behavior will vary with the species, however the normal snake tends to be alert, responsive, and curious. Frequent tongue flicking is a sensory gathering behavior used to deliver scents to the vomeronasal organ. The normal snake is generally active, often coiling or twining its body. This is particularly true for smaller species. Signs of aggression in the snake may include…

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Turtles and tortoises display a variety of dietary strategies ranging from the complete herbivory seen in many tortoises to the strict carnivory displayed in aquatic species like the snapping turtle. There are also many chelonians, such as the Eastern box turtle, that may be considered opportunistic omnivores. This review article, critiqued by reptile nutritionist, Susan Donoghue, discusses clinical concerns related to feeding the hospitalized turtle or tortoise. Topics covered range from recognizing true anorexia to food items to avoid. Practical technical concerns related to nutritional support such as tube feeding and daily caloric requirements are also discussed.

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Abdominocentesis or coelomocentesis may be indicated for the accumulation of fluid within one or more of the peritoneal cavities. Peritoneal fluid can accumulate with a variety of diseases, including chronic liver disease, amyloidosis in waterfowl, iron storage disease in mynah birds and toucans, coelomic tumors in budgerigar parakeets, viral infections like Marek’s disease (resulting in cardiac tumors), peritonitis, congestive heart failure, ovarian cysts, and trauma. This article reviews the potential complications of this clinical technique, the equipment needed, sample handling, and cytodiagnosis.

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Radiography is a non-invasive, informative tool that is designed to be used alongside other diagnostic information. This review article first provides tips that will maximize success and describes common radiographic positions. The bulk of this review article describes normal radiographic findings of various body systems but common abnormalities such as organomegaly are also described.

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Although fungal disease is uncommon in small mammals, dermatophytosis is the most common mycosis seen in clinical practice. Despite the low incidence of clinical disease, rodents are common asymptomatic carriers of dermatophytes. Fungal pathogens are generally more important for their zoonotic potential. Rodents are frequently asymptomatic carriers of ringworm, and transmission of disease to human caretakers is not uncommon.

Article Presenting Problem

If you see reptiles in your clinical practice, you will encounter diarrhea in tortoises, and less commonly turtles. This paper describes the basics of case management beginning with anamnesis, continuing with information on the examination, tests and potential treatments and concluding with client education.

Article Presenting Problem

Beak trauma is a common problem in the companion parrot. Beak injury most often occurs secondary to bird bites and other forms of aggression. Other potential causes include damage from inappropriate caging or toys and iatrogenic damage during…

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Can’t quite recall the dental formula of the African pygmy hedgehog–or perhaps you never knew? Use LafeberVet’s “Small Mammal Dental Formulas: Cheat Sheet” as a quick and easy clinical resource.

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Acquired dental disease is an important problem in pet rabbits and rodents. Clinical management of dental disease is complex, frequently involving invasive technical procedures, therefore it is preferable to promote dental health, rather than treating dental disease. What are five things you can do to promote dental health in small herbivores?

Article Presenting Problem Quiz

Have you ausculted an arrhythmia in a ferret. Now what? Cardiac dysrhythmias can encompass a wide range of clinical syndromes that vary in significance and signs.

Do you consider ferret arrhythmias a cinch? Take our quiz to confirm you’re ready to auscult in a pinch!

Article Presenting Problem

Unfortunately respiratory disease is common in pet rats. Although most cases of respiratory disease in the rat are multifactorial, the most significant and serious bacterial pathogen is Mycoplasma pulmonis. Institute medical therapy as soon as possible in rats with respiratory disease since this improves…

Article Presenting Problem

Urethral obstruction is an important reason for emergency presentation of the male ferret. If not corrected, obstruction can result in severe metabolic disturbances, coma, and death.

Signs of complete urethral obstruction are usually not very subtle. Ferrets may strain violently or cry when attempting to urinate. Owners may misinterpret the straining observed as “constipation”, and tenesmus may even lead to diarrhea in some cases. Occasionally, a ferret with blockage will present for lethargy, weakness, anorexia, and even collapse without obvious signs of dysuria although the urinary bladder will be…

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This brief article was created to serve as a synopsis of LafeberVet’s longer, more detailed “Analgesia in Small Mammals” authored by veterinary anesthesiologist, Dr. Paul Flecknell.

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Fasting may be expected in lizards during certain times of the year. Many gravid females eat less or go off feed entirely due to the large number of eggs filling the coelom. Some species also fast for weeks or months as an adaptation to excess heat or cold, drought, or lack of food. This dormancy in reptiles is called…

Article

Normal bird droppings consist of three components: feces, urine, and urates. Urine and urates are the products of the avian kidney. The medullary or mammalian nephron of the bird kidney produces urine. The more numerous cortical or reptilian nephron produces a soluble form of uric acid or…

Article Presenting Problem

Detecting a shelled egg on physical examination is not necessarily a problem—birds lay eggs everyday! However palpation of a shelled egg is an important clinical finding that can be associated with dystocia. The egg is shelled in a distal part of the oviduct called the uterus or shell gland. Therefore a shelled egg would normally be palpable in either the…

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Gastrointestinal problems are common in the pet rabbit. A thorough history, including a detailed dietary history, can provide invaluable clues to the problem at hand. Signs of gastrointestinal discomfort in the rabbit may include bruxism, reluctance to move, and anorexia. If there is a history of anorexia, it is imperative to differentiate whether the rabbit is not eating because it has no interest in food, or if it is showing an interest in food but unable to eat. A complete lack of appetite is most commonly seen with physiological problems such as renal failure, whereas a reluctance to eat is a classic presentation in rabbits with dental disease.

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Most small herbivores like the rabbit, guinea pig, and chinchilla possess a simple, non-compartmentalized stomach paired with a large cecum and colon. To feed the small herbivore gastrointestinal tract, provide insoluble dietary fiber to stimulate gut motility and maintain gastrointestinal health. A balanced small herbivore diet contains adequate fiber (minimum 25%), minimal starch, and moderate protein levels. Among small herbivorous non-ruminants, the gastrointestinal tract of the rabbit is the most specialized and this manuscript will focus on unique features of this species’ anatomy and physiology.

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Most reptiles are asymptomatic carriers of Salmonella spp., which can be spread through direct or indirect contact with the reptile or its droppings. This brief zoonotic concern article asks: How is Salmonella transmitted to humans? Who is most at risk? What are the signs of salmonellosis in human patients? And how can reptile-associated salmonellosis be prevented?

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Donald W. Zantop, DVM, Dipl. ABVP-Avian, long time member and Past-President of the Association of Avian Veterinarians, was lost in a diving accident on Thursday, October 13, 2011.

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Exotic animal practice is challenging! To approach any exotic animal patient requires a balancing act between the principles of “One Medicine-One Health” and species-specific information. The basic principles of avian medicine are the same as for a human being or a horse or a cat or a dog, and in many instances, veterinary care of birds may be extrapolated from basic medical principles. However this approach can only take one so far and these basic principles must be weighed against species-specific information.

Article Presenting Problem

Thermal burns are a common injury in snakes and lizards. Companion snakes and lizards may come in contact with poorly protected heat sources or old “hot rocks” that short circuit. Even free-ranging reptiles may be at risk for thermal injuries during grass or forest fires. This presenting problem article “Burns in Snakes and Lizards”, explores a basic understanding of burns in reptiles, then moves onto key points of urgent care as well as general aspects of case management, including patient history, physical examination, differential diagnoses, diagnostics, therapy, and finally prognosis.

Article Presenting Problem

Anorexia may be the only indication of poor health in the critically ill bird and by the time other clinical signs are apparent disease may be quite advanced. This means that all reports of poor appetite in the avian patient must be taken very seriously.

Article Video Webinar

Manual restraint of exotic companion mammals is a challenging but necessary part of veterinary practice. In this webinar recording, Ms. McClellan reviews the approach to predator and prey species as well as the principles of capture and handling of several species of small exotic companion animals in a hospital setting including from rabbits, guinea pigs, and chinchillas to small rodents, hedgehogs, and sugar gliders.

Article Presenting Problem

Disseminated idiopathic myofasciitis (DIM) is a severe inflammatory disease that primarily affects skeletal, smooth, and cardiac muscles as well as surrounding connective tissues. This recently identified disease typically affects young ferrets, less than 18 months of age. The cause of DIM is unknown, but this condition is suspected to be an acquired immune-mediated disease. The onset of DIM is usually acute to subacute, followed by a rapid decline over 12-36 hours. The most prominent clinical signs include a high fever ranging from…

Article Presenting Problem

Diarrhea may be defined as any change in the consistency or formation of the fecal portion of the dropping. Diarrhea is a common clinical presentation in birds, but it is important to differentiate true diarrhea from changes in other components of the droppings…

Article Presenting Problem

It is critical to approach the dyspneic rabbit quietly, carefully, and gently. Many rabbits with respiratory disease are unstable upon presentation, given the stress of their condition compounded by the stress of transport and the strange smells, sights and sounds of the veterinary clinic. In many cases, it is prudent to delay handling the patient. Transfer the rabbit to…

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Is your comfort level with free-ranging raptor medicine and surgery growing, but you feel a bit unnerved by falconers and falconry lingo? Although the definitions for some falconry terms are intuitive, many modern falconry words are French in origin and their meanings may not be immediately obvious. You will feel more comfortable “talking the talk” after you review our falconry vocabulary list…

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New to chinchillas or has it just been awhile since you’ve seen this species? Review LafeberVet’s list of the Top 10 things you should know before entering the examination room.

Article Presenting Problem

Clinical signs of upper respiratory tract disease in the ferret can include congestion, sneezing, oculonasal discharge, and non-specific signs of illness, such as reduced appetite, lethargy, and weight loss. If disease extends lower into the respiratory tract, cough, tachypnea, and…

Article

Tularemia is a highly pathogenic disease of animals and humans that has been reported throughout the northern hemisphere including North America, Europe, and Asia. In the United States, naturally occurring infections have been reported in all states except Hawaii. This brief review article answers several questions. What species are most commonly affected by tularemia? How do humans contract tularemia? What are the signs of tularemia in humans, and what can be done to prevent exposure?

Article Video

In exotic companion mammals, intramuscular injections are primarily given in the large muscles of the rear legs or the epaxial muscles. This review article features a brief video illustrating epaxial muscle injection as well as a discussion of potential complications and a step-by-step description of injections into both thigh and epaxial musculature.

Article

Traumatic wounds are seen in exotic animals, and are particularly common in wildlife patients. Proper initial management of the wound is critical for a successful outcome and rapid healing, and an understanding of anatomy of the skin and physiology of wound healing is necessary for effective treatment.

Article Presenting Problem

Rhinitis or sinusitis in the bird can include a host of clinical signs including congestion, sneezing, oculonasal discharge, exophthalmos, as well as non-specific signs of illness such as reduced appetite, lethargy, and weight loss. If disease extends lower into the lower respiratory tract, cough, tachypnea, and…

Article

Cystocentesis may be performed in the conscious rabbit, however it is not unusual for the rabbit to jump or flinch strongly when the needle enters the abdomen. In some individuals, it may help to restrain the rabbit in dorsal recumbency while the nose or head is stroked. If the rabbit resists manual restraint or is particularly high strung or nervous, then sedation or general anesthesia is indicated.

Article

The basic principles of fluid therapy are the same in the reptile as seen in birds and mammals, however reptile anatomy and physiology make some features of this crucial supportive care procedure unique. This article reviews fluid resuscitation with the use of crystalloid fluids and colloids, indications for replacement fluids including signs of dehydration and osmolarity values reported in reptiles. Routes of fluid administration in reptiles are described include subcutaneous, oral, soaking, intracoelomic, intraosseous, and intravenous via the cephalic vein, jugular vein, and in rare instances intracardiac catheter placement. Patient monitoring, including blood pressure measurement and signs of overhydration, are also explored.

Article Presenting Problem

Pet ferrets are routinely vaccinated against canine distemper virus and rabies virus. Anecdotally, hypersensitivity reactions to vaccines are common in the ferret, and can potentially be fatal.

Article Presenting Problem

Conjunctivitis is a common clinical problem in chinchillas. Ocular irritation can arise from excessive dust bathing, inadequate cage ventilation and/or…

Article Presenting Problem

Change in bird song or loss of voice can be valuable diagnostic clues. When a bird is presented for a change in or loss of voice, this will localize lesions to the…

Article Presenting Problem

Unfortunately, neurologic disease is a common presenting problem in the ferret. Neurologic deficits may include an altered level of consciousness, paresis, ataxia, or even pelvic limb paralysis or collapse.

Article

When planning to accept avian patients, prepare yourself and your staff, prepare your hospital including hospital caging and exam rooms, and consider the equipment necessary for proper care…

Article

The crop or ingluvies is a diverticulum of the esophagus present in many but not all, bird species. The crop serves as a food storage organ, regulating the flow of food through the gastrointestinal tract. Food within the crop is also softened by mucus glands. Crop stasis is a common clinical sign in which the crop fails to empty in a timely manner…

Article

“Normal Body Weights in Birds” is a collection of normal reported weights in common companion birds and birds of prey presented in table format. Keep in mind that reported normal body weights for a given species can vary significantly…

Article

Radiography can be challenging in the rabbit. This article reviews equipment needs, clinical techniques, as well as normal and common abnormal findings in the abdomen, chest, musculoskeletal system, as well as ears and nose.

Article

Crop wash, also known as crop lavage or crop infusion, is indicated in patients with a history of persistent regurgitation unrelated to sexual behavior, crop stasis, crop impaction, or palpable abnormalities of the crop.

Article Slideshow

Waterfowl are commonly encountered in clinical practice as backyard fowl, pets, zoo specimens, or as injured wildlife. Waterfowl belong to Family Anatidae, which includes swans, geese, and ducks. Ducks are divided into two categories: dabbling ducks and diving ducks…

Article

Most amphibians do not drink water. Fluid instead diffuses across semipermeable skin, and sometimes gills, directly from water or moist substrates. Excess fluid is excreted primarily by the kidneys, while conserving electrolyte levels. In some amphibians, skin is also involved in osmoregulation and respiration.

Article

Heavy metal poisoning in birds most commonly occurs from the ingestion of substances containing lead, or less commonly zinc.

Lead

Acute heavy metal toxicity is occasionally seen in companion parrots that ingest or chew on objects containing metal because of their curious nature and innate desire to forage. Chronic lead poisoning most frequently affects free-ranging wildlife, such as ducks, geese, swans, and loons. Lead toxicity also occasionally occurs in upland game birds, such as mourning doves, wild turkey, pheasants and quail. Lead poisoning has also been reported in raptors from the ingestion of lead-contaminated prey. Bald eagles have repeatedly been shown to be more sensitive to lead toxicity than other wild avian species, including red-tailed hawks, swans, and turkey vultures .

Article

The physical and psychological benefits of pet ownership have been well established, however close contact with pets is not without risks including the potential for transmission of zoonotic disease. Rodents can carry a number of potential pathogens including lymphocytic choriomeningitis virus. Lymphocytic choriomeningitis virus is found throughout the world in wild rodents. Disease is especially common in…

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