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Effects of supplemental β‐carotene on colostral immunoglobulin and plasma β‐carotene and immunoglobulin in Japanese Black cows
Author(s) -
Ishida Maho,
Nishijima Yoshitaka,
Ikeda Shuntaro,
Yoshitani Kenichi,
Obata Atsutoshi,
Sugie Yuji,
Aoki Yoshikazu,
Yamaji Taisuke,
Fujita Masahiko,
Nakatsuji Yoshinobu,
Kume Shinichi
Publication year - 2018
Publication title -
animal science journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.606
H-Index - 38
eISSN - 1740-0929
pISSN - 1344-3941
DOI - 10.1111/asj.13032
Subject(s) - carotene , antibody , colostrum , ice calving , chemistry , zoology , immunoglobulin g , food science , endocrinology , medicine , biology , lactation , pregnancy , immunology , genetics
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 IgG 1 , IgA or IgM concentrations at parturition. Supplemental β‐carotene increased colostral IgG 1 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 IgG 1 concentrations and plasma β‐carotene concentrations in Japanese Black cows.

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