Effect of different dietary oil sources on the performance, egg quality and antioxidant capacity during the late laying period.

Autor:	Xu M; College of Animal Science and Technology, Henan University of Animal Husbandry and Economy, No.6 North Longzihu Road, Zhengdong New District, Zhengzhou, 450046, Henan, China., Liu L; College of Livestock Husbandry and Veterinary Engineering, Henan Agricultural University, No. 15 Longzi Lake University Campus, Zhengzhou, 450046, China., Fan Z; College of Livestock Husbandry and Veterinary Engineering, Henan Agricultural University, No. 15 Longzi Lake University Campus, Zhengzhou, 450046, China., Niu L; College of Animal Science and Technology, Henan University of Animal Husbandry and Economy, No.6 North Longzihu Road, Zhengdong New District, Zhengzhou, 450046, Henan, China., Ning W; College of Animal Science and Technology, Henan University of Animal Husbandry and Economy, No.6 North Longzihu Road, Zhengdong New District, Zhengzhou, 450046, Henan, China., Cheng H; College of Animal Science and Technology, Henan University of Animal Husbandry and Economy, No.6 North Longzihu Road, Zhengdong New District, Zhengzhou, 450046, Henan, China., Li M; College of Animal Science and Technology, Henan University of Animal Husbandry and Economy, No.6 North Longzihu Road, Zhengdong New District, Zhengzhou, 450046, Henan, China., Huo W; College of Animal Science and Technology, Henan University of Animal Husbandry and Economy, No.6 North Longzihu Road, Zhengdong New District, Zhengzhou, 450046, Henan, China., Zhou P; School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, China., Deng H; College of Animal Science and Technology, Henan University of Animal Husbandry and Economy, No.6 North Longzihu Road, Zhengdong New District, Zhengzhou, 450046, Henan, China., Chen W; College of Livestock Husbandry and Veterinary Engineering, Henan Agricultural University, No. 15 Longzi Lake University Campus, Zhengzhou, 450046, China., Che L; College of Animal Science and Technology, Henan University of Animal Husbandry and Economy, No.6 North Longzihu Road, Zhengdong New District, Zhengzhou, 450046, Henan, China. Electronic address: chelong1989@126.com.
Jazyk:	angličtina
Zdroj:	Poultry science [Poult Sci] 2024 Dec 01; Vol. 104 (1), pp. 104615. Date of Electronic Publication: 2024 Dec 01.
DOI:	10.1016/j.psj.2024.104615
Abstrakt:	This study investigated the effects of different dietary ratios of linseed and soybean oils on the performance, egg quality, and antioxidant capacity of late-phase laying hens. A total of 360 70-week-old Jinghong laying hens were randomly assigned to four groups of six replicates each, with 15 chickens per replicate. Diets with linseed oil to soybean oil ratios of 3:0 (T1), 2:1 (T2), 1:2 (T3), and 0:3 (T4) were fed for 4 weeks. No significant differences in egg weight, feed intake of laying hens, egg production, or feed-to-egg ratio (P > 0.05) were observed among the groups. Compared with the T4 group, the T2 group had a significantly higher number of 8-10 mm follicles. Moreover, albumen height and Haugh units were significantly higher in the T3 group than in the T4 group (P < 0.05), although significant differences were not observed among the T1, T2, and T3 groups. With an increase in linseed oil addition to the feed, the content of n-3 polyunsaturated fatty acids in chicken eggs significantly increased (P < 0.05). Compared to the T4 group, the addition of linseed oil to the diet significantly reduced the blood malondialdehyde content and increased the blood glutathione peroxidase (GSH-PX) and superoxide dismutase enzyme activity. The GSH-PX activity and total antioxidant capacity in the oviducts of the T3 group were significantly higher than those of the T4 group (P < 0.05). The protein expression levels of Nrf2, HO-1, and NQO-1 in the oviduct tissues were significantly higher in the T3 group than in the T4 group (P < 0.05). This study showed that a linseed oil to soybean oil ratio of 1:2 in the T3 group enhanced egg quality by reducing oxidative stress and improving the oviduct microenvironment. Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. (Copyright © 2024. Published by Elsevier Inc.)
Databáze:	MEDLINE
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