Impacts of enzymes and probiotic in improving the utilization of sieved olive pulp meal in growing rabbit diets.

IF 1.5 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE
Journal of Advanced Veterinary and Animal Research Pub Date : 2024-03-31 eCollection Date: 2024-03-01 DOI:10.5455/javar.2024.k761
Abd-Alfattah A Alderey, Nabila E M El-Kassas, Eman A Hussein, Soha A Farag, Ayman A Hassan, Safaa E S Atia, Manal H A Gomaa, Eman S El-Hadad, Salma H Abu Hafsa
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Abstract

Objective: This research assesses the utilization of sieved olive pulp (SOP) in the diet of growing rabbits through the use of an exogenous enzyme or dry yeast as a pretreatment.

Materials and methods: One hundred sixty-eight male V-Line rabbits aged 5 weeks (weighing 550 ± 25 gm) were randomly divided into seven groups with eight replicates each as follows: the control group was fed a basal diet without supplementation; while the other six groups were fed basal diets containing 20% and 25% of SOP and supplemented with 0.1 gm/kg Econase (E), 0.5 gm/kg dry yeast (Y), and a combination of both. The experiment lasted for 8 weeks.

Results: The results indicated that supplementation of E, Y, and EY into rabbit diets containing SOP improved live body weight, body weight gain, feed conversion ratio, and nutrient digestibility. A higher dressing percentage was observed in the groups fed a 20% and 25% SOP diet supplemented with EY (p < 0.05). The treated groups showed an increase in total protein, albumin, globulin, A/G ratio, total antioxidant capacity, superoxide dismutase, and glutathione peroxidase (p < 0.05), while there was a significant decrease in triglycerides, total cholesterol, and malondialdehyde levels (p < 0.05) compared to the control. Rabbit groups fed an SOP diet supplemented with E, Y, or EY demonstrated higher (p < 0.05) economic efficiency compared to the control.

Conclusion: Supplementing the diet of rabbits containing SOP with exogenous enzymes and/or dry yeast enhances the nutritional value of SOP while improving rabbit performance, nutrient digestibility, and antioxidant status.

酶和益生菌对提高生长兔日粮中筛分橄榄果肉粉利用率的影响
研究目的本研究通过使用外源酶或干酵母作为预处理,评估生长期家兔饮食中对筛分橄榄果肉(SOP)的利用情况:将 168 只年龄为 5 周(体重为 550 ± 25 gm)的雄性 V 线兔随机分为 7 组,每组 8 个重复,具体如下:对照组饲喂不添加补充剂的基础日粮;其他 6 组饲喂含 20% 和 25% SOP 的基础日粮,并添加 0.1 gm/kg 的益康酶(E)、0.5 gm/kg 的干酵母(Y)以及两者的组合。实验持续了 8 周:结果表明,在含有 SOP 的兔日粮中添加 E、Y 和 EY 可提高活体重、增重、饲料转化率和养分消化率。在饲喂 20% 和 25% SOP 日粮并添加 EY 的组别中,观察到较高的脱毛率(p < 0.05)。与对照组相比,处理组的总蛋白、白蛋白、球蛋白、A/G 比值、总抗氧化能力、超氧化物歧化酶和谷胱甘肽过氧化物酶均有所增加(p < 0.05),而甘油三酯、总胆固醇和丙二醛水平则显著下降(p < 0.05)。与对照组相比,饲喂添加了 E、Y 或 EY 的 SOP 日粮的兔子组表现出更高的经济效益(p < 0.05):结论:在兔日粮中添加外源酶和/或干酵母可提高 SOP 的营养价值,同时改善兔的生产性能、营养消化率和抗氧化状态。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
2.70
自引率
7.10%
发文量
41
审稿时长
6 weeks
期刊介绍: Journal of Advanced Veterinary and Animal Research (JAVAR) - is an open access, international, peer-reviewed, quarterly, highly-indexed scientific journal publishing original research findings and reviews on all aspects of veterinary and animal sciences. Basic and applied researches on- - Anatomy & histology - Animal health economics - Animal nutrition - Animal reproduction - Animal science - Antimicrobial resistance (AMR) - Biochemistry - Biotechnology - Dairy science - Epidemiology - Food hygiene and technology - Genetics and breeding - Immunology - Microbiology - Parasitology - Pathology - Pharmacology & toxicology - Physiology - Poultry science - Preventive veterinary medicine - Public health - Surgery & obstetrics - Veterinary extension studies - Wildlife & aquatic medicine - Zoo animal medicine.
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