Betaine as an alternative feed additive to choline and its effect on performance, blood parameters, and egg quality in laying hens rations
文献类型： 外文期刊
作者： Zaki, Aisha 1 ; Jiang, Shouqun 2 ; Zaghloul, Saad 1 ; El-Rayes, Talaat K. 1 ; Saleh, Ahmed A. 3 ; Azzam, Mahmoud Mostafa 4 ; Ragni, Marco 5 ; Alagawany, Mahmoud 6 ;
作者机构： 1.Tanta Univ, Fac Agr, Dept Anim Prod, Tanta 333516, Egypt
2.Guangdong Acad Agr Sci, Inst Anim Sci, State Key Lab Livestock & Poultry Breeding, Minist Agr & Rural Affairs,Key Lab Anim Nutr & Fee, Guangzhou 510640, Guangdong, Peoples R China
3.Kafrelsheikh Univ, Fac Agr, Dept Poultry Prod, Kafrelsheikh 33516, Egypt
4.King Saud Univ, Coll Food & Agr Sci, Dept Anim Prod, Riyadh 11451, Saudi Arabia
5.Univ Bari Aldo Moro, Dept Soil Plant & Food Sci, I-70126 Bari, Italy
6.Zagazig Univ, Fac Agr, Poultry Dept, Zagazig 44519, Egypt
关键词： betaine; choline; performance; blood parameter; laying hen
期刊名称：POULTRY SCIENCE （ 影响因子：4.4； 五年影响因子：4.4 ）
ISSN： 0032-5791
年卷期： 2023 年 102 卷 7 期
页码：
收录情况： SCI
摘要： This research aimed to evaluate how using betaine levels as a choline substitute affects pro-ductive performance, egg quality parameters, fatty acids profile, and antioxidant status in laying hens. One hun-dred and forty brown chickens, 45 wk old, were divided into 4 groups, each group of 7 replicates with 5 chickens per replicate. The first group of diets with choline has control (A) 100% choline, the second group (B) 75% choline + 25% betaine, the third group (C) 50% choline + 50% betaine, and the fourth group (D) received 100% betaine. No significant effects were observed in final body weight (BW), body weight gain (BWG), egg production (EW), and feed intake (FI) for laying hens. In the diet in which betaine was replaced choline, egg mass (EM) and egg weight (EW) increased compared to the control group (P < 0.05). Also, after 12 wk of feeding, the egg quality parameters were not influenced; however, yolk color was increased signifi-cantly compared with the control group. Serum total cholesterol, LDL-lipoprotein, HDL-lipoprotein, triglyceride, glucose, aspartate transaminase (AST), and alanine transaminase (ALT) were not affected by replacing choline with betaine. Furthermore, liver malondialdehyde (MDA) content, yolk vitamin E, and fatty acid levels were not significantly affected by replacing choline with betaine. Moreover, hens fed betaine displayed an increased antibody titer of the Newcastle disease (ND) virus. EW and EM were increased by 3.50% and 5.43% in 100% betaine group (D) when compared to the control group. Isthmus weight was decreased by 48.28 % in 50% choline + 50% betaine group (C) when compared to the control group. ND was increased by 26.24% in 100% betaine group when compared to the control group. In conclusion, betaine supplementation positively affected productive performance, egg quality measurements, and immunity response in Bovans brown laying hens.
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