1887

fRodents: urogenital and reproductive system disorders

image of Rodents: urogenital and reproductive system disorders

Abstract

Clinical signs of urinary tract disease may include the following: loss of appetite, anorexia, polydipsia, polyuria, pyuria, anuria, isosthenuria, haematuria, stranguria, dysuria, cachexia and dehydration. Indications of pain include a hunched posture or sensitivity to manipulation of the back or dorsum. Reproductive disease can be diagnostically challenging. However, imaging and a thorough physical examination often supply clues towards diagnosing commonly seen diseases. Given the range of reproductive disorders and variance in clinical signs between species, each set of clinical signs and treatment protocols will be discussed under individual sections. This chapter details the urinary diseases and reproductive diseases in mice, rats, hamsters, gerbils, guinea pigs, chinchillas and degus.

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Figures

13.2 Rat with mammary tumour.
13.3 Radiographs of a sedated male 4-year-old guinea pig with uroliths. Note that in the lateral view, the calculi appear to be in a cystic location, but the ventrodorsal view reveals that the stones are actually in both ureters (arrows), as well as the bladder, the distal urethra, and the right kidney. The guinea pig also has extensive gastrointestinal gas, indicating gut stasis, and calcifications of both stifles (arthritis).
13.4 Percutaneous fine-needle aspiration of an ovarian cyst in a sedated guinea pig. An aseptic technique is required. The cystic ovary is immobilized against the lateral abdominal wall using one hand whilst the other aspirates the contents using a needle and syringe.
13.5 Normal waxy vaginal plugs. These are expelled from female chinchillas after successful mating. (Reproduced from .)
13.6 Fur ring in a male chinchilla. (Reproduced from .)
13.7 Mature cataract in a male degu.
13.8 Dorsoventral radiograph of a degu with dystocia: eight pups can be seen. Seven of the pups survived following Caesarean section. (Courtesy of Dan Johnson.)

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