饲粮添加或不添加-甘露聚糖酶瓜尔豆粕对蛋鸡生产性能和蛋品质的影响

IF 0.5 4区农林科学 Q4 VETERINARY SCIENCES

Turkish Journal of Veterinary & Animal Sciences Pub Date : 2020-06-01 DOI:10.3906/vet-1911-9

S. Calislar

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引用次数: 2

摘要

在本研究中，添加-甘露聚糖酶对蛋鸡?研究不同瓜尔豆粕转基因比例饲粮对生产性能和蛋品质性状的影响。试验期126 d。96只56周龄的洛曼褐鸡单独饲养。随机分为8个处理组，对照组为0%瓜尔豆粕GM0;0% GM + 0.05% β -甘露聚糖酶GM0E;8% gm gm8;8% GM + 0.05% β -甘露聚糖酶GM8E;16% gm gm16;16% GM + 0.05% β -甘露聚糖酶GM16E;24% gm gm24;24% GM + 0.05% β -甘露聚糖酶GM24E。在整个实验过程中，光周期为16.5 h，暗周期为7.5 h。各处理对终活重、饲料消耗量、饲料效率、产蛋量、蛋重、蛋壳厚度、蛋壳重、形状指数、蛋黄指数、哈夫单位和蛋黄色素沉着值的变化均有显著影响，P < 0.05。结果表明，瓜尔豆粕在蛋鸡饲粮中添加16%的比例最适宜，因为瓜尔豆粕对蛋鸡产蛋性能和蛋品质性状有不利影响。

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Effects of dietary guar meal with or without beta-mannanase on performance and egg quality traits in laying hens

In this study, the effects of beta-mannanase supplementation to laying hens? diets with different guar meal GM ratios on performance and egg quality traits were investigated. The experimental period lasted 126 days. Ninety-six Lohman Brown hens at the age of 56 weeks were kept in individual cages. They were divided into 8 treatment groups as follows: 0% guar meal GM0 control ; 0% GM + 0.05% beta-mannanase GM0E ; 8% GM GM8 ; 8% GM + 0.05% beta-mannanase GM8E ; 16% GM GM16 ; 16% GM + 0.05% beta-mannanase GM16E ; 24% GM GM24 ; and 24% GM + 0.05% beta-mannanase GM24E . A photoperiod of 16.5 h light and 7.5 h dark was applied throughout the experiment. The present treatments had significant effects on changes in final live body weight, feed consumption, feed efficiency, egg production, egg weight, shell thickness, eggshell weight, shape index, yolk index, Haugh unit, and yolk pigmentation values P 0.05 . According to our results, guar meal might be used maximally at 16% in laying hen diets, because of its negative effects on laying performance and egg quality traits.

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来源期刊

Turkish Journal of Veterinary & Animal Sciences 农林科学-兽医学

CiteScore

1.30

自引率

0.00%

发文量

审稿时长

24 months

期刊介绍： The Turkish Journal of Veterinary and Animal Sciences is published electronically 6 times a year by the Scientific and Technological Research Council of Turkey (TÜBİTAK). Accepts English-language manuscripts on all aspects of veterinary medicine and animal sciences. Contribution is open to researchers of all nationalities. Original research articles, review articles, short communications, case reports, and letters to the editor are welcome. Manuscripts related to economically important large and small farm animals, poultry, equine species, aquatic species, and bees, as well as companion animals such as dogs, cats, and cage birds, are particularly welcome. Contributions related to laboratory animals are only accepted for publication with the understanding that the subject is crucial for veterinary medicine and animal science. Manuscripts written on the subjects of basic sciences and clinical sciences related to veterinary medicine, nutrition, and nutritional diseases, as well as the breeding and husbandry of the above-mentioned animals and the hygiene and technology of food of animal origin, have priority for publication in the journal. A manuscript suggesting that animals have been subjected to adverse, stressful, or harsh conditions or treatment will not be processed for publication unless it has been approved by an institutional animal care committee or the equivalent thereof. The editor and the peer reviewers reserve the right to reject papers on ethical grounds when, in their opinion, the severity of experimental procedures to which animals are subjected is not justified by the scientific value or originality of the information being sought by the author(s).