Articles with "cows heifers" as a keyword



A study on ghrelin and LH secretion after short fasting and on ghrelin levels at perioestrual period in dairy cattle

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Published in 2019 at "Reproduction in Domestic Animals"

DOI: 10.1111/rda.13321

Abstract: In two experiments, we studied (a) the changes of LH secretion in heifers under different feeding schedules and (b) total ghrelin concentration at oestrus in cows and heifers. In experiment one, synchronized heifers were allocated… read more here.

Keywords: ghrelin secretion; secretion; cows heifers; perioestrual period ... See more keywords

Digital technologies in dairy cattle breeding to improve the reproductive function of cows and heifers: A case study in Northern Kazakhstan

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Published in 2024 at "Veterinary World"

DOI: 10.14202/vetworld.2024.2385-2397

Abstract: Background and Aim: In some countries, the application of digital technologies in dairy cattle breeding is still under development. This study aimed to investigate the use of digital technologies in dairy cattle breeding to improve… read more here.

Keywords: reproductive function; cows heifers; dairy cattle; technologies dairy ... See more keywords

The application of nonlinear programming on ration formulation for dairy cattle.

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Published in 2022 at "Journal of dairy science"

DOI: 10.3168/jds.2021-20817

Abstract: The objective of this study was to compare the application of iterative linear programming (iteLP), sequential quadratic programming (SQP), and mixed-integer nonlinear programming-based deterministic global optimization (MINLP_DGO) on ration formulation for dairy cattle based on… read more here.

Keywords: minlp dgo; dgo; dry cows; cows heifers ... See more keywords