Results 61 to 70 of about 227,896 (216)
Summary This study aimed to investigate the effect of resveratrol on methane production, rumen fermentation and microbial composition under high‐concentrate (HC) and high‐forage (HF) diets using the in vitro fermentation system.
Tao Ma, W. Wu, Y. Tu, N. Zhang, Q. Diao
doaj +1 more source
Heat stress is a growing concern for dairy production under global climate change. This study employed integrated multi-omics approaches to investigate how heat stress affects the antioxidant capacity, microbiota, metabolite profiles, lipid composition ...
Yuchao Zhao +7 more
doaj +1 more source
Although flavonoids or yeast have been used as feed additives to improve the production efficiency and health of adult cattle, little information is available on their effects on rumen fermentation in calves.
Luxin Kong +6 more
doaj +1 more source
A General Equilibrium Analysis of Foreign and Domestic Demand Shocks Arising from Mad Cow Disease in the United States [PDF]
The discovery of the first case of mad cow disease in the United States in 2003 reverberated across the beef and cattle industry. This study employs a general equilibrium model to analyze the potential economic effects of mad cow disease on the beef ...
Devadoss, Stephen +3 more
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First Fresheners: Getting Your Dairy Employees Off to a Good Start [PDF]
The topics of this presentation, which was given on February 15th during the 71st Annual Convention : 2017 Virginia State Feed Association & Nutritional Management “Cow” College, include the importance of job analysis and descriptions, recruitment and ...
O'Rourke, Melissa
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Relationship between dairy cow genetic merit and profit on commercial spring calving dairy farms [PDF]
peer-reviewedBecause not all animal factors influencing profitability can be included in total merit breeding indices for profitability, the association between animal total merit index and true profitability, taking cognisance of all factors associated
Cromie, A. R. +7 more
core +1 more source
Background Rumen microorganisms are key regulators of ruminant growth and production performance. Identifying probiotic candidates through microbial culturomics presents a promising strategy for improving ruminant production performance.
Xiaoran Feng +11 more
doaj +1 more source
TAX REFORM AND BEEF COW REPLACEMENT STRATEGY [PDF]
This paper models optimal beef cow replacement strategy in a stochastic environment under U.S. income tax rules effective before and after the Tax Reform Act of 1986. Under each tax regime, the producer's buy versus raise decision and optimal culling age
Carman, Hoy F., Innes, Robert
core
: Inhibition of methyl-coenzyme M reductase can suppress the activity of ruminal methanogens, thereby reducing enteric methane emissions of ruminants. However, developing specific and environmentally friendly inhibitors is a challenging endeavor.
Yunlong Liu +4 more
doaj +1 more source
COW-CALF PRODUCERS' PERCEIVED PROFIT MAXIMIZATION OBJECTIVE: A LOGIT ANALYSIS [PDF]
A logistic regression (logit) model was developed to examine how socioeconomic characteristics of cow-calf producers influenced their perceptions of themselves as profit maximizers.
Shumway, C. Richard, Young, Katherine D.
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