Results 91 to 100 of about 822,988 (317)
Niacin for dairy cattle: a review [PDF]
British Journal of Nutrition, 2008 Due to the incorporation of niacin into the coenzymes NAD and NADP, niacin is of great importance for the metabolism of man and animals. Apart from niacin in feed and endogenous formation, microbial niacin synthesis in the rumen is an important source for dairy cows.
Liane Hüther +2 more
openaire +3 more sources
Journal of Dairy Science, 2018 Mammals can synthesize all of the fatty acids (FA) necessary for proper health and functioning with the exception of FA in the n-3 (omega-3) and n-6 (omega-6) families of polyunsaturated fatty acids (PUFA), which should be supplied in the diet.
U. Moallem
semanticscholar +1 more source
Statistical Methods Revisited for Estimating Daily Milk Yields: How Well do They Work?
Frontiers in Genetics, 2022 Cost-effective milking plans have been adapted to supplement the standard supervised twice-daily monthly testing scheme since the 1960s. Various methods have been proposed to estimate daily milk yields (DMY), focusing on yield correction factors.
Xiao-Lin Wu +8 more
doaj +1 more source
Inference using a composite-likelihood approximation for stochastic metapopulation model of disease spread [PDF]
arXiv, 2023 Spatio-temporal pathogen spread is often partially observed at the metapopulation scale. Available data correspond to proxies and are incomplete, censored and heterogeneous. Moreover, representing such biological systems often leads to complex stochastic models.
arxiv
Slaughter of pregnant cattle in Denmark:Prevalence, gestational age, and reasons [PDF]
, 2019 The slaughter of pregnant cattle gives rise to ethical controversy. We estimated the prevalence of pregnant cattle, elucidated the reasons for their slaughter, and in light of our findings, discussed the ethics of sending pregnant cattle for slaughter ...
Agerholm, Jørgen Steen +3 more
core +1 more source
Journal of Dairy Science, 2018 Rumen health is of vital importance in ensuring healthy and efficient dairy cattle production. Current feeding programs for cattle recommend concentrate-rich diets to meet the high nutritional needs of cows during lactation and enhance cost-efficiency ...
E. Humer +7 more
semanticscholar +1 more source
Neutrophil dynamics in the blood and milk of crossbred cows naturally infected with Staphylococcus aureus [PDF]
Veterinary World, 2015 Aim: The present study was designed to evaluate the neutrophil dynamics in terms of the functional competence during subclinical mastitis (SCM) and clinical mastitis (CM).
Dilip K. Swain +3 more
doaj +1 more source
Factors Affecting Enteric Emission Methane and Predictive Models for Dairy Cows
Animals, 2023 Enteric methane emission is the main source of greenhouse gas contribution from dairy cattle. Therefore, it is essential to evaluate drivers and develop more accurate predictive models for such emissions.
Andrea Beltrani Donadia +5 more
doaj +1 more source
Econometric model of children participation in family dairy farming in the center of dairy farming, West Java Province, Indonesia [PDF]
arXiv, 2021 The involvement of children in the family dairy farming is pivotal point to reduce the cost of production input, especially in smallholder dairy farming. The purposes of the study are to analysis the factors that influence children's participation in working in the family dairy farm.
arxiv
The Mathematical description of lactation curves in dairy cattle [PDF]
, 2011 This review gives an overview of the mathematical modelling of lactation curves in dairy cattle. Over the last ninety years, the development of this field of study has followed the main requirements of the dairy cattle industry.
Dimauro, Corrado +4 more
core +1 more source