2921-2032. All Rights Reserved. Online Journal of Veterinary Research. You may not store these pages in any form except for your own personal use. All other usage or distribution is illegal under international copyright treaties. Permission to use any of these pages in any other way besides the before mentioned must be gained in writing from the publisher. This article is exclusively copyrighted in its entirety to OJVR. This article may be copied once but may not be, reproduced or re-transmitted without the express permission of the editors. This journal satisfies the refereeing requirements (DEST) for the Higher Education Research Data Collection (Australia). Linking: To link to this page or any pages linking to this page you must link directly to this page only here rather than put up your own page


Online Journal of Veterinary Research

Volume 25 (3): 245-251, 2021.

Effect of parity, lactation and breed on colostrum and milk lactoferrin and immunoglobulin A levels in ewes.


Zahraa Hussien AL-Moosawi1, Majida Abdulkhaliq Alqayim2


1,2 Department of Physiology, College of Veterinary Medicine, University of Baghdad, Iraq.




AL-Moosawi ZH, AL-Qayim MA, Effect of parity, lactation and breed on milk lactoferrin and immunoglobulin A levels in ewes, Onl J Vet Res., 25 (3): 245-251, 2021. Lactoferrin and immunoglobulins in milk can affect offspring immunity, health, growth, performance and intestinal microbiota. We determined lactoferrin and immunoglobulin A by ELISA in milk of 20 Awassi and 20 karakul late pregnancy ewes for 60 days of lactation and partus. In Awasi ewes, mean lactoferrin in colostrum was 27.26 and milk 13.79μg/ml at 30 days and 12.28μg/ml at 60 days whereas in Karakul ewes were 15.54, 12.09 and 10.58 μg/ml, respectively (P < 0.05). Lactoferrin in colostrum was higher than milk declinining 48-54 % in Awassi and 18-31% in karakul ewes by 60 days. Increased parity was associated with reduced lactoferrin in colostrum in both breeds. We found no differences in milk immunoglobulin A levels in colostrum but in milk by days 30 and 60 declined 32-40% in Awassi ewes but only 18 to 24% in Karakul ewes (P < 0.05). We found positive correlation between milk lactoferrin and immunoglobulin A in Awassi R2=0.958, and Karakul ewes R2=0.924.

KEYWORDS: Lactofferin, sIgA, Colostrum, Milk, Awassi, Karakul ewes.