Colostrum composition of Santa Inês sheep and passive transfer of immunity to lambs

This study aimed to analyze the chemical composition and the IgG concentration of the colostrum, transitional milk, and mature milk of Santa Inês ewes as well as the transfer of passive immunity to lambs. Thirty-two pregnant ewes and 38 lambs were used. Ewes were milked immediately after lambing and...

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Bibliographic Details
Published in:Journal of dairy science 2015-06, Vol.98 (6), p.3706-3716
Main Authors: Alves, A.C., Alves, N.G., Ascari, I.J., Junqueira, F.B., Coutinho, A.S., Lima, R.R., Pérez, J.R.O., De Paula, S.O., Furusho-Garcia, I.F., Abreu, L.R.
Format: Article
Language:English
Subjects:
Animals
Colostrum - immunology
ELISA
Female
gamma-globulin
Immunity, Maternally-Acquired - physiology
immunoglobulin G
Immunoglobulin G - chemistry
Milk - chemistry
Pregnancy
Sheep - immunology
Sheep - physiology
Sheep, Domestic
total serum protein
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Summary:This study aimed to analyze the chemical composition and the IgG concentration of the colostrum, transitional milk, and mature milk of Santa Inês ewes as well as the transfer of passive immunity to lambs. Thirty-two pregnant ewes and 38 lambs were used. Ewes were milked immediately after lambing and at 12, 24, 36 h and 10 d postpartum. Colostrum was provided to the lambs at 40±15min (mean ± SE) after birth and then at 30-min intervals for obtaining the intake closest to 10% of body weight, and transitional milk was provided ad libitum. Blood from the lambs was collected 36 h after birth for measuring the serum concentrations of IgG, total protein, albumin, and gamma-globulin. The production was lower in primiparous than in multiparous ewes with body condition score (BCS)
ISSN:0022-0302
1525-3198
DOI:10.3168/jds.2014-7992