نتایج جستجو برای: beef calves

تعداد نتایج: 29320  

Journal: :Canadian Journal of Animal Science 1995

Journal: :Journal of Veterinary Diagnostic Investigation 2011

Journal: :Research in Veterinary Science 2014

Journal: :Journal of animal science 2004
B A Berry C R Krehbiel A W Confer D R Gill R A Smith M Montelongo

Crossbred calves (n = 572; initial BW = 186 +/- 27 kg) purchased from northern Texas, Arkansas, and southeast Oklahoma auction markets were delivered to the Willard Sparks Beef Research Center, Stillwater, OK, and used to study the effects of dietary energy and starch concentrations on performance and health of newly received feedlot calves during a 42-d receiving period. On arrival, calves wer...

Journal: :American journal of veterinary research 1969
R H Jacobson D E Worley

A survey was conducted to determine the identity, incidence and distribution of internal parasites in Montana beef cattle. Fecal samples were collected from 486 calves less than 18 months of age and 479 adult cattle at five intervals during 1965-66 from six sampling stations representing major climatologic and geographic areas of the state. The results showed that 85.6% of the calves harbored g...

Journal: :Journal of animal science 2014
J L Lyles M S Calvo-Lorenzo

Interest in the welfare of cattle in the beef industry has intensified over time because of ethical concerns and varying societal perceptions that exist about the treatment and living conditions of farm animals. The definition of welfare will vary according to an individual's philosophies (how one defines and prioritizes what is "good"), experiences (societal and cultural influences of animal r...

Journal: :Polish journal of veterinary sciences 2015
A Wernicki R Urban-Chmiel D Stęgierska Ł Adaszek M Kalinowski A Puchalski M Dec

In view of the scarcity of information concerning viral diarrhoea virus (BVDV) infections in beef cattle in Poland, the aim of this study was to evaluate the presence of the BVDV in young beef cattle from selected herds in eastern and south-eastern regions of Poland. The material consisted of 78 sera obtained from beef cattle from 15 farms, aged 6-12 months. The anti-BVDV antibody level in the ...

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