Effects of supplemental β‐carotene on colostral immunoglobulin and plasma β‐carotene and immunoglobulin in Japanese Black cows

Data from 26 Japanese Black cows were collected to clarify the effects of supplemental β‐carotene on colostral immunoglobulin (Ig) and plasma β‐carotene and Ig in the cows. Cows were assigned to control or β‐carotene groups from 21 days before the expected calving date to 60 days after parturition....

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Bibliographic Details
Published in:	Animal science journal Vol. 89; no. 8; pp. 1102 - 1106
Main Authors:	Ishida, Maho, Nishijima, Yoshitaka, Ikeda, Shuntaro, Yoshitani, Kenichi, Obata, Atsutoshi, Sugie, Yuji, Aoki, Yoshikazu, Yamaji, Taisuke, Fujita, Masahiko, Nakatsuji, Yoshinobu, Kume, Shinichi
Format:	Journal Article
Language:	English
Published:	Australia Blackwell Publishing Ltd 01-08-2018
Subjects:	Animal Nutritional Physiological Phenomena - immunology Animals beta Carotene - administration & dosage beta Carotene - blood beta Carotene - pharmacology bovine colostrum Carotene Cattle Colostrum Colostrum - immunology Colostrum - metabolism Diet Dietary Supplements Female immunoglobulin Immunoglobulin A Immunoglobulin G Immunoglobulin G - metabolism Immunoglobulin M Immunoglobulins Immunoglobulins - blood Immunoglobulins - metabolism Japanese Black cow Parturition Parturition - blood Parturition - immunology Plasma Pregnancy β-Carotene β-carotene immunoglobulin bovine colostrum Japanese Black cow
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Summary:	Data from 26 Japanese Black cows were collected to clarify the effects of supplemental β‐carotene on colostral immunoglobulin (Ig) and plasma β‐carotene and Ig in the cows. Cows were assigned to control or β‐carotene groups from 21 days before the expected calving date to 60 days after parturition. Supplemental β‐carotene was provided at 500 mg/day in the β‐carotene group. Supplemental β‐carotene drastically increased plasma β‐carotene concentrations in the cows from parturition to 60 days after parturition, and plasma β‐carotene concentrations in the control and β‐carotene groups at parturition were 202 and 452 μg/dl, respectively. Supplemental β‐carotene had no effects on plasma IgG1, IgA or IgM concentrations at parturition. Supplemental β‐carotene increased colostral IgG1 concentrations in the cows, but colostral β‐carotene, IgA and IgM concentrations were not affected by supplemental β‐carotene. These results indicate that supplemental β‐carotene is effective to enhance colostral IgG1 concentrations and plasma β‐carotene concentrations in Japanese Black cows.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	1344-3941 1740-0929
DOI:	10.1111/asj.13032