Results 31 to 40 of about 822,988 (317)

Symposium review: Why revisit dairy cattle productive lifespan?

open access: yesJournal of Dairy Science, 2020
Dairy cattle productive lifespan averages approximately 3 yr after first calving. Changes in the last decade in reproductive performance, genetic merit, and societal concerns regarding animal welfare and the environmental footprint of dairy products ...
A. De Vries
semanticscholar   +1 more source

Estimation of metabolic heat production and methane emission in Sahiwal and Karan Fries heifers under different feeding regimes [PDF]

open access: yesVeterinary World, 2016
Aim: The objective of this study was designed to estimate the metabolic heat production and methane emission in Sahiwal and Karan Fries (Holstein-Friesian X Tharparkar) heifers under two different feeding regimes, i.e., feeding regime-1 as per the ...
Sunil Kumar   +4 more
doaj   +1 more source

Molecular evidence for zoonotic transmission of Giardia duodenalis among dairy farm workers in West Bengal, India [PDF]

open access: yes, 2011
No study in the past has examined the genetic diversity and zoonotic potential of Giardia duodenalis in dairy cattle in India. To assess the importance of these animals as a source of human G.
Amiya Kumar Pramanik   +30 more
core   +1 more source

The incidence of Reproductive Disorders in Dairy Cows under Smallholder Farms [PDF]

open access: yes, 2020
The objective of this study was to know the incidence of reproductive disorders in smallholder dairy farms. The study was conducted in 12 small dairy farms in Enrekang Regency, Indonesia.
Long, Su Thanh   +3 more
core   +2 more sources

Symposium review: Considerations for the future of dairy cattle housing: An animal welfare perspective.

open access: yesJournal of Dairy Science, 2020
Many contemporary dairy cattle housing practices are at odds with societal perceptions of positive animal welfare. The public (i.e., those external to the dairy industry) typically emphasizes the importance of naturalness for dairy cattle, such as ...
A. Beaver   +2 more
semanticscholar   +1 more source

Evaluation of efficiency of sire model and animal model in Holstein Friesian crossbred cattle considering first lactation production and fertility traits [PDF]

open access: yesVeterinary World, 2014
Aim: The present investigation was conducted for evaluating the efficacy of estimating breeding values (BVs) using univariate animal model in comparison to sire model.
Shakti Kant Dash   +7 more
doaj   +1 more source

Nutritional Physiology and Biochemistry of Dairy Cattle under the Influence of Heat Stress: Consequences and Opportunities

open access: yesAnimals, 2020
Simple Summary Modern dairy cows have elevated internal heat loads caused by high milk production, and the effects of accumulating incremental heat are exacerbated when temperature and humidity increases in the surroundings. To shed this additional heat,
A. Sammad   +7 more
semanticscholar   +1 more source

Cluster of differentiation 14 gene polymorphism and its association with incidence of clinical mastitis in Karan fries cattle [PDF]

open access: yesVeterinary World, 2014
Aim: The present study was undertaken with the objectives to characterize, identify DNA polymorphism in cluster of differentiation 14 (CD14) gene in Karan Fries (KF) cattle and to analyze association between genetic variants with incidence of clinical ...
A. Sakthivel Selvan   +4 more
doaj   +1 more source

On the joint volatility dynamics in dairy markets [PDF]

open access: yesThe Australian Journal of Agricultural and Resource Economics 65(3): 704-728 (2021), 2021
The present study investigates the price (co)volatility of four dairy commodities -- skim milk powder, whole milk powder, butter and cheddar cheese -- in three major dairy markets. It uses a multivariate factor stochastic volatility model for estimating the time-varying covariance and correlation matrices by imposing a low-dimensional latent dynamic ...
arxiv   +1 more source

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