The transition from pregnancy to lactation (ie the transition period) is a time of significant metabolic challenge, with a several-fold increase in a cow's requirement for energy, protein …
In pasture-based dairy systems, supplementary feeds are used to increase dry matter intake and milk production. Historically, supplementation involved the provision of the same …
The objectives of this study were to evaluate the effects of daily top-dressing (individually feeding on the top of the total mixed ration) with rumen-protected methionine (RPM) from …
A Meikle, P Chilibroste, M Carriquiry, C Sosa… - 2018 - zaguan.unizar.es
Beef cows and ewes grazing native pastures are exposed to cycles of undernutrition that reflect the seasonal variations of biomass production. In grazing dairy cows, the …
Like all animals, bees need to consume essential amino acids to maintain their body's protein synthesis. Perception and discrimination of amino acids are, however, still poorly …
SA Elsaadawy, Z Wu, D Bu - Frontiers in veterinary science, 2022 - frontiersin.org
The objective of this study was to evaluate the effects of supplying ruminally protected Lys (RPL) and ruminally protected Met (RPM) to transition cows' diets on the efficiency of …
DK Berg, A Ledgard, M Donnison, R McDonald… - Journal of Dairy …, 2022 - Elsevier
ABSTRACT A 60% pregnancy success for inseminations is targeted to optimize production efficiency for dairy cows within a seasonal, pasture-grazed system. Routine measures of …
Choline is a precursor of acetylcholine, phosphatidylcholine, and the methyl-donor betaine. Reports indicate that supplementation with rumen-protected choline improves postpartum …
At the individual cow level, suboptimum fertility, mastitis, negative energy balance, and ketosis are major issues in dairy farming. These problems are widespread on dairy farms …