在克服技术压力的背景下提高幼猪的生产率

Marina Koroban, V. Lykhach, Anna Lykhach, Y. Barkar, Sergiy Chernysh
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摘要

生产活动是技术周期的必经环节,会对动物造成各种应激。使用基于植物提取物的液态饲料添加剂喂猪是培养猪的抗应激能力和提高生产率的重要策略。本实验的目的是研究在不同的技术应激期饮用液体饲料添加剂对猪生产性能参数的最佳持续时间。在农场条件下,按照公认的动物技术方法将 90 头杂交猪随机分为三组。I 组(对照组)的动物按照基本技术进行育肥;II 实验组的动物--在技术行动前三天和技术行动后三天服用 BT+ 液态饲料添加剂;III 实验组的猪--在技术行动前七天和技术行动后七天服用 BT+ 液态饲料添加剂。根据早熟指标,III 试验组的猪在 11-26 周龄时的活重比同龄猪高出 1.70-5.43 公斤,在 14-22 周龄期间的平均日增重高出 20.0-82.5 克。Ⅲ组猪的平均日增重值可能较高,100 千克活重的平均日增重为 51.9 克,120 千克活重的平均日增重为 38.1 克。III 组猪的饲料转化率最低,100 千克为 0.11 千克,120 千克为 0.14 千克。实验结果表明,为了提高猪的生产率,值得在整个生长期的技术应激期前后 7 天饮用 LFA。该实验的实际意义在于确定使用液态饲料添加剂的最佳时间,以提高猪的抗应激能力和生产率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Increasing the productivity of young pigs in the context of overcoming technological stress
Production activities are mandatory elements of the technological cycle and cause various types of animal stress. The use of feed additives based on plant extracts in a liquid composition for pigs is an important strategy for developing their stress resistance and increasing productivity. The purpose of the experiment is to investigate the optimal duration of drinking a liquid feed additive in different periods of technological stress on pig productivity parameters. In farm conditions, 90 crossbred pigs were randomly divided into three groups according to generally accepted zootechnical methods. Animals of the I group (control) were fattened according to the basic technology; animals of II experimental group – BT+ administration of liquid feed additive three days before and three days after the technological action, and pigs of III experimental group – BT+ administration of liquid feed additive seven days before and seven days after. Swine of the III research group at the age of 11-26 weeks probably exceeded their counterparts in live weight by 1.70-5.43 kg, in average daily gains in the period from 14-22 weeks – by 20.0-82.5 g. According to the precocity indicator, pigs of the III group reached a live weight of 100 kg 6.1 days earlier and 120 kg 7.3 days earlier. The values of average daily gains in pigs of the III group were probably higher by 51.9 g – for a live weight of 100 kg and 38.1 g – for 120 kg. Pigs of III group had the lowest level of feed conversion – 0.11 kg at 100 kg and 0.14 kg at 120 kg. It has been established that in order to increase the productivity of pigs, it is worth drinking LFA 7 days before and 7 days after the period of technological stress during the entire growing period. The practical significance of the experiment is to identify the optimal duration of the use of liquid feed additive to increase the stress resistance and productivity of pigs
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