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Case Description—A 6-year-old 0.82-kg (1.8-lb) spayed female domestic ferret was evaluated because of a 1-month history of decreased activity that had progressively worsened over the past week. The ferret had previously been determined to have adrenocortical disease and was undergoing medical management for the associated clinical signs.

Clinical Findings—Physical examination revealed lameness of the right hind limb with evidence of pain elicited during palpation of the right femur. Results of a CBC suggested mild anemia, and those of a serum biochemical analysis indicated a high blood glucose concentration. Radiography of the limb revealed extensive lysis of the right femur. Cytologic evaluation of a fine-needle aspirate of the bone lesion revealed a dominant plasma cell component. Plasma cell neoplasia was suspected on the basis of these findings.

Treatment and Outcome—Radical right hind limb amputation with mid to caudal hemipelvectomy was performed. Histologic evaluation of the lesion allowed a diagnosis of lymphoma with plasmablastic features, and immunohistochemical testing revealed a few CD79α-postive neoplastic cells and rare BLA36-positive cells. Adjunctive antineoplastic treatment with systemically administered multidrug chemotherapy was initiated. Six months after surgery, the ferret was reevaluated, and chemotherapy was discontinued when results of clinicopathologic tests, whole body survey radiography, and abdominal ultrasonography suggested no recurrence of the disease.

Clinical Relevance—The ferret appeared to cope well with radical hind limb amputation, and the chemotherapeutic protocol used was easy to administer. This treatment approach might lead to better owner and patient compliance in other cases of lymphoma in ferrets.

Restricted access
in Journal of the American Veterinary Medical Association


OBJECTIVE To evaluate whether the nutritive quality of Tenebrio molitor larvae and Zophobas morio larvae, which are commonly cultured as live food sources, is influenced by 4 commercially available diets used as nutritional substrates; identify which diet best improved calcium content of larvae; and identify the feeding time interval that assured the highest calcium intake by larvae.

ANIMALS 2,000 Zophobas morio larvae (ie, superworms) and 7,500 Tenebrio molitor larvae (ie, mealworms).

PROCEDURES Larvae were placed in control and diet treatment groups for 2-, 7-, and 10-day intervals. Treatment diets were as follows: wheat millings, avian hand feeding formula, organic avian mash diet, and a high-calcium cricket feed. Control groups received water only. After treatment, larvae were flash-frozen live with liquid nitrogen in preparation for complete proximate and mineral analyses. Analyses for the 2-day treatment group were performed in triplicate.

RESULTS The nutrient composition of the high-calcium cricket feed groups had significant changes in calcium content, phosphorus content, and metabolizable energy at the 2-day interval, compared with other treatment groups, for both mealworms and superworms. Calcium content and calcium-to-phosphorus ratios for larvae in the high-calcium cricket feed group were the highest among the diet treatments for all treatment intervals and for both larval species.

CONCLUSIONS AND CLINICAL RELEVANCE A 2-day interval with the high-calcium cricket feed achieved a larval nutrient composition sufficient to meet National Research Council dietary calcium recommendations for nonlactating rats. Mealworm calcium composition reached 2,420 g/1,000 kcal at 48 hours, and superworm calcium composition reached 2,070g/1,000 kcal at 48 hours. These findings may enable pet owners, veterinarians, insect breeders, and zoo curators to optimize nutritive content of larvae fed to insectivorous animals.

Full access
in American Journal of Veterinary Research