نتایج جستجو برای: lactational performance
تعداد نتایج: 1050564 فیلتر نتایج به سال:
This study investigated the effects of an amylase-enabled corn silage on lactational performance, enteric CH4 emission, and rumen fermentation lactating dairy cows. Following a 2-wk covariate period, 48 Holstein cows were blocked based parity, days in milk, milk yield (MY), emission. Cows randomly assigned to 1 2 treatments 8-wk randomized complete block design experiment: (1) control (CON) fro...
Disrupted sleep is probably the most common complaint of parents with a new baby. Night waking increases in the second half of the first year of infant life and is more pronounced for breastfed infants. Sleep-related phenotypes of infants with Prader-Willi and Angelman syndromes suggest that imprinted genes of paternal origin promote greater wakefulness whereas imprinted genes of maternal origi...
Breastfeeding provides a natural source of nutrients for the infant and determines a period of Lactational Amenorrhea (LA) as a normal postpartum physiological phenomenon. Universally, it is now recognized that breastfeeding suppresses ovarian cyclicity and provides LA condition accompanied by a period of postpartum infertility. The duration of the LA period varies among different women and pop...
Introduction: The neurotoxic effects of aluminum exposure during the critical period of neurodevelopment have been well documented. This study investigated the known protective effects of calcium supplementation on the cerebellum of juvenile Wistar rats following aluminum-induced neurotoxicity during lactation. Methods: Four groups of juvenile rats were exposed via lactation to distilled water...
We investigated the effects of omitting one or two milkings weekly on milk yield and milk composition in dairy sheep. Ninety Spanish Assaf ewes were allocated to three experimental treatments: T0 (no milking omission; 14 milkings/week), T1 (omission of one evening milking per week; 13 milkings/week) and T2 (omission of two evening milkings per week; 12 milkings/week). The experiment was extende...
............................................................ ............ . . . . ............ . . . . . ....... 28 INTRODUCTION . . . . . . . . ....... . . . . . . .. . . . . . . . ................... . ........ . . ... . . . . ..... . .. . . .. . . . . .. . . . ..... 30 MATERIALS AND METHODS . . . . . . . . .. . . . .. . . . . . . . . . . . . . . . . . . . . . . . ....... . . . .. . . ..........
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