Physiology of lactation in dairy cattle—challenges to sustainable productiondoi:10.1016/B978-0-12-817052-6.00007-0Geoffrey E. DahlAnimal Agriculture
Variations in serum levels of insulin-like growth factor-1, growth hormone and thyroid hormones during lactation in dairy cows. 1. Serum levels of -like growth factor-1 () in dairy declined after , remained low during the period of early with peak milk production and rose gradually ... S...
Moreover, the diurnal rhythm of melatonin secretion in sheep is different from CRY1 expression, which is shown to increase from day to night [37]. In adult ewes, the mRNA levels of muscle BMAL1 and CLOCK reach the peak at 6 pm during the early dark phase [41]. In contrast, the ...
For lactation to continue, necessary patterns of hormone secretion must be maintained; disturbances of theequilibriumby the experimental removal of the pituitary gland in animals or by comparable diseased conditions in humans quickly arrest milk production. Several pituitary hormones seem to be involved ...
Effects of meloxicam on milk production, behavior, and feed intake in dairy cows following assisted calving Parturition is a necessary event for production in dairy cattle, and assistance at calving is common. There is limited use of nonsteroidal antiinflammatory... NC Newby,DL Pearl,SJ Leblanc,...
In mammals, quite apart from factors such as ‘cultural inheritance’, the observation acquires tangible validity in the secretion of milk. It is sometimes overlooked that lactation is part of reproduction. Perhaps because, for over a century, increasing numbers of women have abandoned breastfeeding...
1. to examine the hypothesis that the PA-PG-Pl-β-CN f (1–28) system is involved in regulation of milk secretion under acute HS; 2. to assess whether this system is sufficiently sensitive to react to diurnal changes in environmental HS; ...
Ruminants have been classified as having a 'moose-type' or 'cattle-type' digestive physiology. 'Cattle-type' ruminants have a clear difference in the mean ... Przybylo, MarcinHummel, JurgenOrtmann, SylviaCodron, DarylKohlschein, Gina-MarieKilga, DanielaSmithyman, JulietPrzybylo, UrszulaSwierk,...
Section A. Physiology of dairy cattle. I. Reproduction and lactation. *** JAB Smith - 《Journal of Dairy Research》 被引量: 1发表: 1941年 Section A. Physiology of dairy cattle: Hormones in reproduction and lactation *** GK Benson,AT Cowie - 《Journal of Dairy Research》 被引量: 0发表...
Review of the progress of dairy science: Climatic physiology of cattle Davies FL, Gasson MJ. Thompson,E G. - 《Journal of Dairy Research》 被引量: 88发表: 1973年 Reviews of the progress of Dairy Science: The bovine milk fat globule membrane–its formation, composition, structure and behaviou...