نتایج جستجو برای: goat herds

تعداد نتایج: 19444  

Journal: :BMC Veterinary Research 2021

Abstract Background Strongylid nematode infections may negatively affect both animal health and welfare, with deleterious consequences for livestock productivity. Many farmers in recent decades have relied on anthelmintics as the sole strategy of control, but intensive use these chemotherapeutics has led to development anthelmintic resistance (AR). Knowledge efficacy factors promoting AR are es...

Journal: :Polish journal of veterinary sciences 2012
M Czopowicz J Kaba O Szaluś-Jordanow M Nowicki L Witkowski T Frymus

The observational study was carried out in a population of Polish breeding goats in 2007 to determine the prevalence of fetal loss and identify risk factors contributing to its occurrence. The multivariate model allowing to predict the risk of the occurrence of fetal loss in a herd in a study population was developed. Data on the occurrence of fetal loss, as well as of 28 hypothesized risk fact...

2017
Milan Gautam Mark A. Stevenson Nicolas Lopez-Villalobos Victoria McLean

The aim of this study was to identify risk factors for culling, sales and deaths in intensively managed dairy goat herds in New Zealand. A data set provided by the New Zealand Dairy Goat Cooperative (n = 13,197 does) was analyzed using a Cox proportional hazard model. The outcome of interest was length of productive life (LPL), defined as the number of days from the date of second kidding to th...

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