نتایج جستجو برای: enzootic bovine leukosis
تعداد نتایج: 75382 فیلتر نتایج به سال:
Bovine somatotropin (bST) increases milk production in dairy animals. The maximum increase in milk production has been observed up to 41%. Somatotropin did not change milk composition significantly. During short-term application of bST, cows mobilized their body-reserves to support the increased milk production. Although DM intake of cows was increased in the long-term applications, however, gr...
The present study describes a novel microcarrier substrate consisting of a swellable, copolymer of styrene and divinylbenzene, derivatized with trimethylamine. The co-polymer trimethylamine microcarriers support the growth of a number of different cell lines - Madin Darby Bovine Kidney, Madin-Darby Canine Kidney, Vero and Cos-7 - under serum-free conditions, and human diploid fibroblasts in ser...
Infectious bovine rhinotracheitis is an important disease of cattle with serious economic implications. The etiology is bovine herpes virus type-1 which leads to clinical to latent infections and abortions. In this study, an aborted bovine fetus was suspected of IBR infection. The virus was grown in cell line (MDBK) and cytopathic effect observed. CPE began at 12 hr post infection of cells and ...
Bovine anaplasmosis (BA) is a hemoparasitic disease of great importance in cattle within the tropical and subtropical regions of the world. Control programs for BA require accurate diagnostic assays but validation can be challenging because the true disease status of all animals is frequently not known with certainty. The objective of this study was to estimate the accuracy of assays for detect...
BACKGROUND Animals can act as a reservoir and source for the emergence of novel meticillin-resistant Staphylococcus aureus (MRSA) clones in human beings. Here, we report the discovery of a strain of S aureus (LGA251) isolated from bulk milk that was phenotypically resistant to meticillin but tested negative for the mecA gene and a preliminary investigation of the extent to which such strains ar...
BACKGROUND Bovine trypanosomosis is a serious constraint to agricultural production in extensive areas of Ethiopia. METHODOLOGY A cross-sectional study was conducted to determine the prevalence of bovine infection with trypanosomes and to identify the prevailed trypanosome species in three districts of the East Gojjam zone bordering the Blue Nile River from March 2005 to February 2006. Cattle...
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