نتایج جستجو برای: dairy goats

تعداد نتایج: 55826  

2015
Judit Vas Inger Lise Andersen Alan McElligott

Very little is known about the spacing behaviour in social groups of domestic goats (Capra hircus) in the farm environment. In this experiment, we studied interindividual distances, movement patterns and activity budgets in pregnant goats housed at three different densities. Norwegian dairy goats were kept in stable social groups of six animals throughout pregnancy at 1, 2 or 3 m2 per individua...

2013
Jun Liu Yan Luo Hengtao Ge Chengquan Han Hui Zhang Yongsheng Wang Jianmin Su Fusheng Quan Mingqing Gao Yong Zhang

The present study was conducted to determine whether recombinant human β-defensin-3 (rHBD3) in the milk of transgenic goats has an anti-bacterial activity against Escherichia coli (E. coli), Staphylococcus aureus (S. aureus) and Streptococcus agalactiae (S. agalactiae) that could cause mastitis. A HBD3 mammary-specific expression vector was transfected by electroporation into goat fetal fibrobl...

Journal: :Revista De La Facultad De Ciencias Agrarias 2021


 There have been few studies on the use of diets and strategies to reduce length postpartum anoestrus in dairy goats, especially tropical semi-arid regions. This review discusses factors influencing return ovarian activity goats. During period, goats are puerperal their reproductive tract is being prepared for a new conception. Anoestrus necessary tissue renewal uterus (uterine involution...

2013
Giuseppe Pulina Marcella Avondo Giovanni Molle Ana Helena Dias Francesconi Alberto Stanislao Atzori Antonello Cannas

This review deals with the most relevant limits and developments of the modeling of intake of sheep and goats reared intensively and extensively. Because small ruminants are normally fed ad libitum, voluntary feed intake is crucial in feeding tactics and strategies aimed at optimal animal production. The effects of genetic, neuroendocrine, hormonal, feed and environmental factors on voluntary f...

Journal: :Physiological research 2018
L Li M L He Y Liu Y S Zhang

Dairy goats are often fed a high-concentrate (HC) diet to meet their lactation demands; however, long-term concentrate feeding is unhealthy and leads to milk yield and lactose content decreases. Therefore, we tested whether a buffering agent is able to increase the output of glucose in the liver and influence lactose synthesis. Eight lactating goats were randomly assigned to two groups: one gro...

2007
Z. Sztankóová V. Mátlová G. Malá

The genetic polymorphism of the CSN1S1 (casein alpha-S1) locus was investigated in two endangered Czech goat breeds (White Shorthair and Brown Shorthair). These breeds are kept mainly for their good dairy performance. Genetic characterization of the CSN1S1 locus contributes to the knowledge of the genetic structure of these two endangered breeds. The study was performed on 498 goats (333 White ...

2010
Lorenzo González Stuart Martin Stephen A.C. Hawkins Wilfred Goldmann Martin Jeffrey Sílvia Sisó

After detection of a high prevalence of scrapie in a large dairy goat herd, 72 infected animals were examined by immunohistochemistry with prion protein (PrP) antibody Bar224 to study the pathogenesis of the infection. Tissues examined included the brain and thoracic spinal cord (TSC), a wide selection of lymphoreticular system (LRS) tissues, the distal ileum and its enteric nervous system (ENS...

2013

Caprine arthritis and encephalitis (CAE) is an economically important viral disease of goats. The caprine arthritis encephalitis virus (CAEV), a lentivirus; infects its hosts for life. Although most infections are subclinical, a minority of animals develops progressive, untreatable disease syndromes including polyarthritis in adults and encephalomyelitis in kids. This virus also causes indurati...

2017
Felix Heckendorn Anna Bieber Steffen Werne Anastasios Saratsis Veronika Maurer Chris Stricker

Gastrointestinal nematodes (GIN) severely affect small ruminant production worldwide. Increasing problems of anthelmintic resistance have given strong impetus to the search for alternative strategies to control GIN. Selection of animals with an enhanced resistance to GIN has been shown to be successful in sheep. In goats, the corresponding information is comparatively poor. Therefore, the prese...

2012
M. Mahouachi N. Atti H. Hajji

The objective of this study was to determine the effect of spineless cactus incorporation in food of dairy goats and growing kids on milk production and composition and on kid's growth and meat characteristics. Two experiments were conducted on Tunisian local goats. In the first, 30 females were divided into two groups; goats of Control group were reared on grazing pasture receiving indoor 0.5 ...

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