Cottonseed feeding changes oxidative stress markers in ewes during the peripartum period and increases the quality of colostrum

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Author(s):	Moretti, Debora B. ^[1] ; Jimenez, Carolina R. ^[2] ; Trinca, Heloisa M. ^[1] ; Machado-Neto, Raul ^[1] ; Louvandini, Helder ^[2] Total Authors: 5
Affiliation:	^[1] Univ Sao Paulo, Luiz de Queiroz Coll Agr, Dept Anim Sci, Ave Padua Dias 11, Piracicaba, SP - Brazil ^[2] Univ Sao Paulo, Ctr Nucl Energy Agr CENA, Agroind Prod Div, Ave Centenario 303, Piracicaba, SP - Brazil Total Affiliations: 2
Document type:	Journal article
Source:	VETERINARY JOURNAL; v. 247, p. 32-37, MAY 2019.
Web of Science Citations:	0
Abstract
Immune indicators and oxidative stress markers were analyzed in blood and lacteal secretions of twenty Santa Ines ewes distributed in two feeding regimes: cottonseed concentrate (CS; n = 10) and soybean concentrate (SB; n = 10). Blood catalase activity and oxygen radical absorbance capacity were higher in SB than CS (P < 0.05), suggesting that cottonseed increased oxidative stress in ewes. Cottonseed consumption increased IgG concentration, lysozyme activity and total protein concentration in the colostrum and decreased iron stock, suggesting a positive effect of this nutrient on the immune quality, antibacterial activity and antioxidant potential of colostrum. (C) 2019 Elsevier Ltd. All rights reserved. (AU)

FAPESP's process:	15/17238-5 - Formation and transfer of passive immunity in Santa Ines sheep: effect of feeding and the number of lactations
Grantee:	Raul Machado Neto
Support Opportunities:	Regular Research Grants