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- Kebreab, E., et al. Show all 7 Authors
- Journal of dairy science 2019 v.102 no.5 pp. 4198-4204
- Holstein; acute course; beta-mannosidase; biochemical pathways; blood; calving; dairy cows; dietary supplements; fatty acid composition; free fatty acids; haptoglobins; immunoglobulin G; infectious diseases; inflammation; insemination; lactating females; lactation; milk; milk composition; milk yield; nutrient utilization; poultry; somatic cell count; swine
- ... Exogenous enzymes have been used to improve nutrient utilization in several species of livestock, particularly swine and poultry. In addition, improved immunological and metabolic traits have been reported in nonruminants. The objective of this study was to determine the effects of β-mannanase supplementation on milk yield and composition, and immunological and metabolic responses in lactating Hol ...
- Kebreab, E., et al. Show all 9 Authors
- Journal of dairy science 2019 v.102 no.11 pp. 10616-10631
- biochemical pathways; body weight; crude protein; dairy cows; data collection; diet; dry matter intake; empirical models; equations; farms; greenhouse gas emissions; lactating females; lactation; meta-analysis; methane; methane production; milk; milk fatty acids; milk yield; neutral detergent fiber; organic matter; prediction; rumen; starch
- ... There is a need to quantify methane (CH₄) emissions with alternative methods. For the past decade, milk fatty acids (MFA) could be used as proxies to predict CH₄ emissions from dairy cows because of potential common rumen biochemical pathways. However, equations have been developed based on a narrow range of diets and with limited data. The objectives of this study were to (1) construct a set of e ...