نتایج جستجو برای: holstein male calves

تعداد نتایج: 344087  

Journal: :Journal of veterinary internal medicine 2008
A Gentile I Lorenz S Sconza W Klee

BACKGROUND Among the various metabolic disturbances occurring in calves affected by neonatal diarrhea or ruminal acidosis, acidemia constitutes an important condition requiring specific therapy. Although various attempts have been made to estimate the degree of metabolic acidosis on the basis of clinical signs alone, some doubts have been raised regarding the accuracy and predictive value of th...

Journal: :Journal of animal science 1994
T H Friend D C Lay D M Bushong D W Pierce

A unique law (Act 201) requiring livestock markets to place an identifying mark on calves up to 90 kg each time they are sold went into effect in Wisconsin in 1993. The intent of the law is to reduce the number of times calves are resold and hence become "stale." The original proponents of the law proposed that calves be ear-notched each time they are sold. Ear notching, however, was resisted b...

2009
G. C. Duff K. J. Dick S. W. Limesand S. R. Sanders S. P. Cuneo

Holstein calves (both bulls and heifers) are of great financial importance to both dairies and feedyards in the desert southwest. For steers, their availability and uniformity and overall production have out weighed the potential deficits in carcass characteristics (smaller and elongated ribeye area, increase kidney, pelvic and heart fat, etc.) and increased maintenance costs. In Arizona alone,...

Journal: :تحقیقات دامپزشکی 0
محمد رضائیان موسسه تحقیقات علوم دامی کشور سیداحمد میرهادی موسسه تحقیقات علوم دامی کشور محمد مرادی گروه علوم دامی دانشکده کشاورزی، دانشگاه تهران

the experiment was designed to investigate the effects of saccharomyces cerevisiae supplementation on the efficiency of rations containing different levels of concentrate in male holstein calves. 36 male holstein calves (average body weight of 175. 9 ± 5.54 kg) were allocated into six treatments of 60, 70 and 80 percent of concentrate with or without yeast culture based on a 2 x 3 factorial des...

Journal: :Journal of animal science 2009
G E Lum J E Rowntree K R Bondioli L L Southern C C Williams

The objective of this research was to determine the influence of dietary Se on various indicators of Se status and relative liver glutathione peroxidase 1 (GPx-1) messenger RNA (mRNA) levels in growing Holstein bull calves. Calves (n = 14, 7/diet) were started 28 d after birth on a Se-adequate (SeA) or Se-deficient diet (SeD) and maintained on the diet until 180 d of age. Blood samples were tak...

Journal: : 2021

Effect of Different Levels Density Flaked Corn on Growth Performance, Blood and Rumen Parameters Holstein Suckling Calves

2014
Abdul Qadir QADIS Satoru GOYA Minoru YATSU Atsushi KIMURA Toshihiro ICHIJO Shigeru SATO

Subpopulations of peripheral leukocytes and cytokine mRNA expression levels were evaluated in scouring and healthy Holstein calves (age 10 ± 5 days; n=42) treated with a probiotic consisting of Lactobacillus plantarum, Enterococcus faecium and Clostridium butyricum. The calves were assigned to the scouring or healthy group and then subdivided into pathogen-positive treated (n=8), pathogen-posit...

Journal: :Animal : an international journal of animal bioscience 2014
P Shakeri A Riasi M Alikhani

The objective of this study was to determine the effects of pistachio by-product silage (PBPS) as a partial replacement for corn silage (CS) on chewing activity, nutrients digestibility and ruminal fermentation parameters in Holstein male calves over a 6-month assay. For this purpose, 24 Holstein male calves (4 to 5 months of age and 155.6±13.5 kg BW) were randomly assigned to one of the four d...

Journal: :The British journal of nutrition 2000
B Graulet D Gruffat-Mouty D Durand D Bauchart

Coconut oil (CO) induces a triacylglycerol infiltration in the hepatocytes of preruminant calves when given as the sole source of fat in the milk diet over a long-term period. Metabolic pathways potentially involved in this hepatic triacylglycerol accumulation were studied by in vitro methods on liver slices from preruminant Holstein x Friesian male calves fed a conventional milk diet containin...

Journal: :Veterinary research 2004
Johann C Detilleux

This paper introduces javelin diagrams as an innovative way for depicting the results of medical decision analyses. The methods were used to determine whether, and at which values, blood lactate in Belgian White and Blue or maximum tidal volumes in Holstein calves should be measured before deciding to treat or not a calf suffering from the bovine respiratory disease complex. The different alter...

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