نتایج جستجو برای: flock health monitoring
تعداد نتایج: 1240447 فیلتر نتایج به سال:
Introduction: Lead is a toxic metal found in the Earth's crust and has been used by humans for 7,000 years due to its high density, flexibility and strength, and low melting point. The widespread use of this metal in industry and the exposure of workers has led to widespread environmental pollution and public health problems in many parts of the world. Due to the widespread use of lead in vario...
Ewe abortion and neonatal mortality are serious problems to sheep farmer. The objective of this paper was to report isolation of Erysipelothrix rhusiopathiae from aborted fetuses in a flock in Tehran, Iran. Abortion occurred in 10% of ewes in the flock. The fetuses were well developed and pinpoint, necrotic-like lesions were recorded on the placental cotyledons, whilst the inter -cotyledonary a...
Animal losses due to abortion and weak offspring during a lambing period amounted up to 25% in a goat flock and up to 18% in a sheep flock kept at an experimental station on the Swabian Alb, Germany. Fifteen out of 23 employees and residents on the farm tested positive for Coxiella burnetii antibodies by enzyme-linked immunosorbent assay (ELISA) and indirect immunofluorescence assay. Ninety-fou...
this cross-sectional study was conducted to estimate seroprevalence and to identify flock-level factors associated with seropositivity to brucellosis in small ruminants in kerman province, southeastern iran. in october-november 2011, serum samples were randomly collected from 1767 sheep and 1233 goats, older than 18 months, from 300 flocks. the sera were initially screened for the presence of a...
Methods and devices specifically created for remote animal surveys monitoring are becoming increasingly popular effective. However, also widely used in our societies different, not scientific, goals. Ski resorts the European Alps, instance, use webcams to share panoramic views promote themselves industry of winter recreational activities. We tested preinstalled webcam effectiveness as a tool ec...
the purpose of this study was to survey infections with salmonella spp. in poultry flocks in the vicinity of tehran and to determine the most frequent serogroups and serotypes implicated. twenty-eight samples of pullet, layer, and broiler flocks were randomly collected (n=1463), including freshly dropped feces from live birds or visceral organs from dead birds. in most flocks, 60 samples were t...
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