The effect of antioxidants on the productivity and enzymatic activity of the gastrointestinal tract of quails while reducing the risk of T-2 toxicosis

Genetics and breeding of animals Pub Date : 2024-01-08 DOI:10.31043/2410-2733-2023-4-120-126

D. Kudukhova, V. Gappoeva, I. Ktsoeva, R. Temiraev, S. Kozyrev

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Abstract

Purpose: to study the effect of antioxidants santoquine and vitamin E, included in the composition of wheat-sorghum-rapeseed type feed with a tolerant level of T-2 toxin, on the productivity and digestive processes of meat quail.Materials and methods. The experiment was carried out on meat quails of the Pharaoh breed. At one day of age, according to the principle of analogous groups, 4 groups of 40 animals each were formed. Raised for meat until 42 days of age. Quails were individually weighed weekly to determine live weight gain and calculate feed costs per unit of production. After control slaughter at the age of 42 days, the activity of digestive enzymes: proteinases, amylases and cellulases was studied in the contents of the muscular stomach and duodenum of 5 animals from each group.Results. In the course of the studies, new experimentally substantiated data were obtained on the effectiveness of reducing the risk of T-2 toxicosis in the body of meat quails due to the rational joint use of santoquin antioxidant drugs in the composition of mixed feeds of the wheat-sorghum-rapeseed type with a tolerant level of T-2 toxin at a dose of 150 g/ t and vitamin E at a dose of 25 thousand IU/t. Thanks to this, in the quails of the 3rd experimental group, there was an increase in the survival rate of the livestock by 7.8 %, and an increase in live weight by 13.19 % (P<0.05). The meat poultry of the 3rd experimental group had the best pay for feed in terms of live weight gain, having spent 12.01 % less feed to obtain 1 kg of gain compared to the quails of the control group. Combined additions of the tested antioxidants contributed to a significant (P<0.05) increase in the activity of proteinases, cellulases and amylases in the contents of the muscular stomach by 24.15, 33.30 and 18.18 % and in the duodenum - by 13, compared to the analogues of the control group. 58, 13.93 and 15.02%, respectively.

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抗氧化剂对鹌鹑胃肠道生产力和酶活性的影响，同时降低 T-2 中毒的风险

目的：研究抗氧化剂金刚烷胺和维生素 E 对肉用鹌鹑生产率和消化过程的影响。实验对象是法老品种的肉用鹌鹑。按照类比分组的原则，肉用鹌鹑在一天龄时分成 4 组，每组 40 只。肉用鹌鹑饲养至 42 日龄。鹌鹑每周单独称重一次，以确定活体增重并计算单位产量的饲料成本。在 42 日龄对照屠宰后，对每组 5 只鹌鹑的肌胃和十二指肠内容物中消化酶（蛋白酶、淀粉酶和纤维素酶）的活性进行了研究。在研究过程中，获得了经实验证实的新数据，即在小麦-高粱-油菜籽类型的混合饲料成分中合理联合使用圣托昆抗氧化剂药物（T-2 毒素耐受量为 150 克/吨）和维生素 E（2.5 万 IU/吨），可有效降低肉用鹌鹑体内 T-2 毒素中毒的风险。因此，第 3 试验组的鹌鹑成活率提高了 7.8%，活重提高了 13.19%（P<0.05）。就活体增重而言，第 3 试验组的肉用家禽的饲料回报率最高，与对照组的鹌鹑相比，每增重 1 公斤所需的饲料量减少了 12.01%。与对照组的类似物相比，联合添加测试的抗氧化剂可显著提高（P<0.05）肌肉胃内容物中蛋白酶、纤维素酶和淀粉酶的活性，分别提高 24.15%、33.30% 和 18.18%，十二指肠中提高 13%。分别为 58%、13.93% 和 15.02%。

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Genetics and breeding of animals

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