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Author Khanyari, M., Oyanedel, R., Khara, A., Sharma, M., Milner-Gulland, E. J., Suryawanshi, K. R., Vineer, H. R., Morgan, E. R.
Title Predicting and reducing potential parasite infection between migratory livestock and resident Asiatic ibex of Pin valley, India Type Journal Article
Year 2024 Publication Journal of Biosciences Abbreviated Journal
Volume 49 Issue 50 Pages 1-14
Keywords Disease; epidemiology; gastrointestinal nematode; intervention; parasite; ungulate
Abstract Disease cross-transmission between wild and domestic ungulates can negatively impact livelihoods and wildlife conservation. In Pin valley, migratory sheep and goats share pastures seasonally with the resident Asiatic ibex (Capra sibirica), leading to potential disease cross-transmission. Focussing on gastro-intestinal nematodes (GINs) as determinants of health in ungulates, we hypothesized that infection on pastures would increase over summer from contamination by migrating livestock. Consequently, interventions in livestock that are well-timed should reduce infection pressure for ibex. Using a parasite life-cycle model, that predicts infective larval availability, we investigated GIN transmission dynamics and evaluated potential interventions. Migratory livestock were predicted to contribute most infective larvae onto shared pastures due to higher density and parasite levels, driving infections in both livestock and ibex. The model predicted a c.30-day anti- parasitic intervention towards the end of the livestock’s time in Pin would be most effective at reducing GINs in both hosts. Albeit with the caveats of not being able to provide evidence of interspecific parasite trans- mission due to the inability to identify parasite species, this case demonstrates the usefulness of our predictive model for investigating parasite transmission in landscapes where domestic and wild ungulates share pastures. Additionally, it suggests management options for further investigation.
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Call Number SLN @ rakhee @ Serial 1748
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Author Munson, L.; Worley, M.B.
Title Veno-occlusive disease in snow leopards (Panthera uncia) from zoological parks Type Journal Article
Year 1991 Publication Vet Pathol Abbreviated Journal
Volume 28 Issue 1 Pages 37-45
Keywords Cirrhosis; epidemiology; Hemosiderosis; Hepadnaviridae; Hepatic; Hepatitis; pathology; Veno-Occlusive; veterinary; zoo
Abstract Livers from 54 snow leopards, 4 days to 23 years old, that had died in 23 US zoos, were evaluated histopathologically to determine if the hepatic fibrosis, which has been noted to be prevalent in this species, was due to chronic active hepatitis from hepadnaviral infection, Ito cell proliferation, or hemosiderosis. Forty-two of 54 snow leopards had subintimal vascular fibrosis with partial or total occlusion of central and sublobular veins (veno-occlusive disease) of unknown origin. All 21 leopards older than 5 years were affected. Four leopards had chronic active hepatitis, and 12 leopards had cholangiohepatitis; but these lesions were not connected anatomically to central and sublobular venous fibrosis. Hepatocellular and Kupffer cell siderosis and Ito cell proliferation were prevalent and often coexisted with perisinusoidal, central, and sublobular venous fibrosis; but fibrosis was present in leopards without siderosis or Ito cell proliferation. The pattern and prevalence of veno-occlusive disease in these leopards was similar to that reported in captive cheetah (Acinonyx jubatus), suggesting that a common extrinsic factor may cause the majority of hepatic disease in these large felid animals in captivity.
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ISSN 0300-9858 ISBN Medium
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Notes Document Type: eng Approved no
Call Number SLN @ rana @ 173 Serial 706
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Author Thorel, M.F.; Karoui, C.; Varnerot, A.; Fleury, C.; Vincent, V.
Title Isolation of Mycobacterium bovis from baboons, leopards and a sea-lion Type Journal Article
Year 1998 Publication Vet Res Abbreviated Journal
Volume 29 Issue 2 Pages 207-212
Keywords Animal; Animals; zoo; Carnivora; microbiology; Case; Report; Cattle; Dna; Fingerprinting; Transposable; Elements; Disease; Outbreaks; veterinary; France; Genome; Bacterial; Germany; Male; Monkey; Diseases; diagnosis; epidemiology; Mycobacterium; Infections; bovis; classification; isolation; purification; Papio; Seals; browse; 440
Abstract This study reports on two series of cases of Mycobacterium bovis infection in zoo animals. The first was in a captive population of baboons (Papio hamadryas) and the second in a mixed group of wild mammals, including four leopards (Panthera uncia and Panthera pardus) and a sea-lion (Otaria byrona). The isolation and identification of strains of M. bovis confirmed the presence of M. bovis infections in both zoos. The epidemiological study using genetic markers such as the IS6110-based DNA fingerprinting system made it possible to differentiate between M. bovis strains. The M. bovis strains isolated from baboons were shown to contain a single IS6110 copy, as usually do cattle isolates, whereas the M. bovis strains isolated from the other exotic animals presented multiple copies. This finding suggests that the origin of the contamination for the baboons in zoo A could be related to cattle. The origin of the contamination for the leopards and sea-lion in zoo B is more difficult to determine. In conclusion, the authors suggest some recommendations for avoiding outbreaks of tuberculosis infections in zoos.
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ISSN 0928-4249 ISBN Medium
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Notes Document Type: eng Approved no
Call Number SLN @ rana @ 346 Serial 966
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