نتایج جستجو برای: cattle

تعداد نتایج: 49532  

Journal: :Journal of animal science 1980
J W Turner

The utility and documentation of traits and characteristics of Zebu, Bos indicus, cattle in beef production in the United States are discussed with reference to adaptation. Zebu cattle are uniquely suited to hot climates due to coat, hide, skin and hematological attributes. Form, growth and physiological aspects are unique genetic attributes which are different from those of Bos taurus cattle. ...

2014
Shuang Ji Runjun Yang Chunyan Lu Zhengyan Qiu Changguo Yan Zhihui Zhao

The objective of this study was to investigate the correlation between cattle breeds and deposit of adipose tissues in different positions and the gene expressions of peroxisome proliferator-activated receptor gamma (PPARγ), fatty acid synthase (FASN), and Acyl-CoA dehydrogenase (ACADM), which are associated with lipid metabolism and are valuable for understanding the physiology in fat depot an...

2005
Vivek Choudhary Pushpendra Kumar Tarun K. Bhattacharya Bharat Bhushan

Leptin plays an important role in the regulation of feed intake, energy metabolism, growth and reproduction of cattle. We used the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) technique to screen for DNA polymorphisms of the leptin gene in 403 cattle belonging to various breeds of Bos indicus (Hariana, Sahiwal, Gir and Nimari cattle), Bos taurus (Holstein Friesi...

Journal: :MMWR. Morbidity and mortality weekly report 2009

During 2003-2007, deaths occurring in the production of crops and animals in the United States totaled 2,334; of these, 108 (5%) involved cattle as either the primary or secondary cause. During the same period, Iowa, Kansas, Missouri, and Nebraska accounted for 16% of the nation's approximately 985,000 cattle operations and 21% of the nation's cattle and calf herd. To better characterize cattle...

Journal: :iranian journal of veterinary research 2013
s. s. shekarforoush s. m. razavi m. abbasvali

although the high infection rate of microscopic sarcocyst occurs in cattle, to the best of our knowledge,there is no report about the identification of macroscopic sarcocyst in iran. in this work, sarcosystis hirsutawas first isolated from slaughtered cattle. in a 2-year-old slaughtered cattle, morphological examinationrevealed 3-5 mm in length cysts distributed in different striated muscles, p...

Journal: :iranian journal of veterinary research 2006
i. karimi m. shahgholian a. ebrahimi m. r. mahzounieh

in order to investigate the prevalence and detection of etiological agents of pyelonephritis in shahrekordabattoir, 404 kidneys of slaughtered cattle (207 female and 197 male) were inspected. kidney samples, whichhad gross changes were obtained for histological examination. urine and renal tissue samples were alsocollected aseptically for microbiological examination. in histological examination...

Journal: :Journal of the American Veterinary Medical Association 2007
Carolyn L Stull Michael A Payne Steven L Berry James P Reynolds

A major animal welfare issue facing the livestock industry is the care, handling, and transport of nonambulatory cattle. Consumers, researchers, practitioners , and animal protection organizations have questioned the quality of care provided to and management of nonambulatory cattle and raised questions about possible food safety concerns. Veterinarians and producers continue to be challenged w...

2015
Giovanna Massei Ka-Kei Koon Steven Benton Richard Brown Matt Gomm Darcy S. Orahood Stéphane Pietravalle Douglas C. Eckery

Conflicts between human interests and feral cattle in Hong Kong derive from growing numbers of free-roaming cattle. Public antipathy towards lethal population control led the local authorities to consider fertility control to reduce cattle numbers. This study assessed the potential side effects of the immunocontraceptive GonaCon on individual female cattle and established the effectiveness of G...

2016
Kamilius A Mamiro Henry B Magwisha Elpidius J Rukambile Martin R Ruheta Expery J Kimboka Deusdedit J Malulu Imna I Malele

Ticks and tick-borne diseases plus trypanosomosis are a constraint to cattle rearing in Tanzania. Rufiji district was not known for important ticks infesting cattle because inhabitants were not engaged in keeping livestock. Not only has settlement of pastoralists and cattle in Rufiji increased the number of cattle but also cattle have been the source of bringing in and spreading of ticks. This ...

Journal: :Japanese journal of infectious diseases 2009
Jilintai Nobutaka Seino Daisuke Hayakawa Masatsugu Suzuki Hiroshi Hata Seiji Kondo Kotaro Matsumoto Naoaki Yokoyama Hisashi Inokuma

Anaplasma bovis and Anaplasma phagocytophilum infection were examined by species-specific nested polymerase chain reaction in cattle in a pastureland where sika deer appear in Hokkaido, Japan. Of the 78 cattle examined, 12 (15%) and 1 (1%) tested positive for infection by A. bovis and A. phagocytophilum, respectively. One cattle tested positive for both. A. phagocytophilum infection rates were ...

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