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Optic neuropathy in sheep associated with overdosage of closantel
(1999-12-01)
This report describes clinical and pathological findings in 2 flocks in Brazil where blindness and deaths in sheep occurred after closantel overdosage. Depression, weakness, and blindness affected 37 animals and 17 died ...
Semen variables of sheep (Ovis aries) experimentally infected with Toxoplasma gondii
(2009-04-01)
The influence of Toxoplasma gondii on semen variables and sperm morphology of sheep was evaluated in eight reproductive males distributed into three experimental groups: GI, three sheep inoculated with 2.0 × 105 of P strain ...
Epidemiology of sheep myiases in São Paulo State, Brazil
(1992-03-01)
A survey of Diptera species causing cutaneous myiases on sheep in Botucatu, São Paulo, Brazil was made to determine seasonal incidence, predilection sites and the factors predisposing to infestation. Sheep were checked ...
Seroprevalence and risk factors associated with neosporosis in sheep and dogs from farms
(Elsevier B.V., 2011-12-15)
This study aimed to establish the seroprevalence and risk factors associated with neosporosis in sheep and dogs from rural properties. 1497 blood samples were collected from sheep and 42 from dogs that cohabited with sheep ...
Identification, characterization and expression analysis of hepcidin gene in sheep
(Elsevier B.V., 2011-06-01)
Hepcidin is part of the innate immune system, and it plays a central role in the regulation of iron homeostasis. This peptide has been previously characterized in man, non-human primates, rat, mouse, dog, swine, cattle, ...
Seroprevalence of Toxoplasma gondii infection in sheep and alpacas (Llama pacos) in Chile
(1999)
Serum samples from 408 sheep from different regions of Chile and 447 alpacas (Llama pacos) from the north of the country were tested for Toxoplasma gondii antibodies. The indirect haemagglutination test (IHAT) was used in ...
Assessment of genetic diversity and structure of major sheep breeds from Pakistan
(2017-03-01)
The present study aimed at the genetic characterization of major economically important sheep (Ovis aries) breeds from Pakistan. A total of 155 sheep from five breeds, Balkhi (PBS), Kaghani (PKS), Damani (PDS), Salt Range ...
Respiratory heat loss in the sheep: a comprehensive model
(Springer, 2002-08-01)
A model is presented for the respiratory heat loss in sheep, considering both the sensible heat lost by convection (C-R) and the latent heat eliminated by evaporation (E-R). A practical method is described for the estimation ...
Seroprevalence of and risk factors for Toxoplasma gondii in sheep raised in the Jaboticabal microregion, São Paulo State, Brazil
(Elsevier B.V., 2010-02-01)
Seroprevalence of and risk factors for toxoplasmosis in sheep from different properties in the Jaboticabal microregion, São Paulo State, Brazil were determined. Antibodies to Toxoplasma gondii were found in sera of 52.0% ...
Trypanosoma (Megatrypanum) melophagium in the Sheep Ked Melophagus ovinus from Organic Farms in Croatia: Phylogenetic Inferences Support Restriction to Sheep and Sheep Keds and Close Relationship with Trypanosomes from Other Ruminant Species
(WILEY-BLACKWELLMALDEN, 2012)
Trypanosoma (Megatrypanum) melophagium is a parasite of sheep transmitted by sheep keds, the sheep-restricted ectoparasite Melophagus ovinus (Diptera: Hippoboscidae). Sheep keds were 100% prevalent in sheep from five organic ...