Throughout their evolutionary history, humans have tried to domesticate a variety of wild terrestrial mammals, resulting in a limited number that has been successfully domesticated. Among these domesticated species, domestic goats (Capra aegagrus hircus) are a useful model species to study the effects of ontogenesis on the socio-cognitive abilities of domestic non-companion animals in their interactions with humans. To this end, the behavioral responses of two groups of goats with a different background of human socialization (high and low socialization) were compared in the impossible task test, an experimental paradigm aimed to study socio-cognitive skills and the tendency to interact with humans. Our results show that, when the task became impossible to solve, goats with a higher level of socialization interacted with the experimenter for a greater amount of time than subjects in the low socialization group, whereas the latter group exhibited increased door directed behavior. Overall, highly socialized goats made more social contact with humans compared to the other group in the impossible task paradigm.
Animals reared in restricted environments are highly susceptible to gastrointestinal infection by helminths and protozoa and therefore zoos are characterized as being parasite-rich environments. Successful implementation of control programs of these parasites in zoo environment depends upon precise and rapid diagnosing of gastrointestinal infections. The aim of this study was to demonstrate the role of the Mini-FLOTAC technique in combination with Fill-FLOTAC for rapidly diagnosing parasitic infections in zoo mammals. Fecal samples were collected from 70 animals in four different zoos located in central and southern Italy. All the samples were analyzed using Mini-FLOTAC in combination with Fill-FLOTAC. Out of the 70 pooled samples examined, 80% (24/30) were positive for at least one parasite. Among the gastrointestinal nematodes, Strongyles were the most frequent (40%), followed by Trichuris spp. (23.3%), Parascaris spp. (13.3%) and Capillaria spp. (3.3%). Among the protozoa, Blastocystis spp., Giardia spp. and Eimeria spp. were detected in 6.6%, 3.3% and 3.3%, respectively. These results show that Mini-FLOTAC in combination with Fill-FLOTAC can be used, not only for rapidly diagnosing parasitic infections in zoo mammals, but also for monitoring control programs in which large numbers of fecal samples need to be examined rapidly and reliably.
An adult female Asian elephant (Elephas maximus) presented with clinical signs of colic unresponsive to analgesia, which progressed to hypothermia and collapse within 48 hours. Repeated sedations using butorphanol and detomidine were performed for initial diagnostic sampling, first aid and subsequent treatment. Initial haematology showed evidence of septicaemia and disseminated intravascular coagulation; urine analysis was consistent with metabolic acidosis. The initial treatment focused on rectal administration of enrofloxacin, metronidazole and fluids. By Day 7, the immune system was recovering as demonstrated by blood parameters but ileus had developed. Sedation interventions were discontinued and treatment consisted of oral ranitidine, fibre provision and rehydration. Salmonella saintpaul was cultured from the faeces and a disease risk analysis identified a possible infection route through food contamination. Serial haematology provided direction in clinical decision making throughout this challenging case.
OBJECTIVE To investigate the performance of a portable blood glucose meter (PBGM) designed for use in humans (hPBGM) and a PBGM designed for use in dogs and cats (vPBGM) when measuring blood glucose (BG) concentration in tigers (Panthera tigris) and lions (Panthera leo). DESIGN Method comparison and diagnostic accuracy study. SAMPLES 53 blood samples from tigers (n = 27) and lions (26). PROCEDURES BG concentration was measured with 2 identical hPBGMs, 2 identical vPBGMs, and a reference laboratory analyzer. Bland-Altman bias plots and Passing-Bablok regression analysis were used to assess agreement. Sensitivity, specificity, and positive and negative predictive values with corresponding 95% confidence intervals were calculated for use in assessing diagnostic accuracy of the investigated PBGMs. RESULTS Bias (95% limits of agreement) was −4.3 mg/dL (−46.3 to 37.6 mg/dL) for the hPBGM, −9.3 mg/dL (−64.6 to 46.0 mg/dL) for the vPBGM on canine setting, and 2.3 mg/dL (−47.9 to 52.6 mg/dL) for the vPBGM on feline setting. The hPBGM had better overall repeatability (coefficient of variation, 3.73%) than the vPBGM on canine (9.29%) or feline (9.44%) setting. Total error for the hPBGM, vPBGM on canine setting, and vPBGM on feline setting was 11.8%, 27.7%, and 20.9%, respectively. None of the PBGMs complied with the maximum allowable total error suggested by current guidelines when measuring BG in tigers and lions with hypo-, normo-, or hyperglycemia. CONCLUSIONS AND CLINICAL RELEVANCE Results indicated that the PBGMs evaluated were inadequate for measuring BG concentration in tigers and lions.
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