Effects of alfalfa flavonoids on the production performance, immune system, and ruminal fermentation of dairy cows

Asian-Australasian Journal of Animal Sciences
Jinshun ZhanGuo Qi Zhao

Abstract

The objective of this study was to examine the effects of alfalfa flavonoids on the production performance, immunity, and ruminal fermentation of dairy cows. The experiments employed four primiparous Holstein cows fitted with ruminal cannulas, and used a 4×4 Latin square design. Cattle were fed total mixed ration supplemented with 0 (control group, Con), 20, 60, or 100 mg of alfalfa flavonoids extract (AFE) per kg of dairy cow body weight (BW). The feed intake of the group receiving 60 mg/kg BW of AFE were significantly higher (p<0.05) than that of the group receiving 100 mg/kg BW. Milk yields and the fat, protein and lactose of milk were unaffected by AFE, while the total solids content of milk reduced (p = 0.05) linearly as AFE supplementation was increased. The somatic cell count of milk in group receiving 60 mg/kg BW of AFE was significantly lower (p<0.05) than that of the control group. Apparent total-tract digestibility of neutral detergent fiber and crude protein showed a tendency to increase (0.05<p≤0.10) with ingestion of AFE. Methane dicarboxylic aldehyde concentration decreased (p = 0.03) linearly, whereas superoxide dismutase activity showed a tendency to increase (p = 0.10) quadratically, with increasing levels of ...Continue Reading

References

Aug 4, 2004·International Journal of Antimicrobial Agents·D K Byarugaba
Jan 24, 2006·Journal of Dairy Science·M BusquetC Kamel
Jul 6, 2006·Journal of Agricultural and Food Chemistry·Satomi YanoHirofumi Tachibana
Jul 30, 2008·Journal of Animal Physiology and Animal Nutrition·S M J YaghoubiA Nikkhah
Oct 17, 2013·The International Journal of Biochemistry & Cell Biology·Divyashree RavishankarHelen M I Osborn
Nov 1, 2013·BioMed Research International·Ehsan OskoueianArmin Oskoueian

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Citations

Nov 28, 2018·Asian-Australasian Journal of Animal Sciences·Hanbeen KimJakyeom Seo
Jul 20, 2019·Journal of the Science of Food and Agriculture·Panagiotis SimitzisStelios Deligeorgis
Nov 14, 2019·Animals : an Open Access Journal From MDPI·Rafael Jiménez-OcampoJuan Carlos Ku-Vera
Nov 17, 2020·Frontiers in Veterinary Science·Juan Carlos Ku-VeraFrancisco Javier Solorio-Sánchez
Jan 15, 2022·Animal Science Journal = Nihon Chikusan Gakkaihō·Rakhmad P HarahapAnuraga Jayanegara

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