Effect of the inclusion of extruded flaxseed in the diet of fattening pigs on performance parameters and blood parameters

IF 1.8 4区 农林科学 Q2 AGRICULTURE, DAIRY & ANIMAL SCIENCE
Kamila Klimiuk, I. Sembratowicz, A. Czech
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引用次数: 4

Abstract

Abstract The aim of the study was to determine the effect of the inclusion of 2%, 4% and 6% extruded flaxseed in the diet of fattening pigs on their growth performance parameters, carcass parameters, and selected blood parameters. The experiment was conducted on 160 weaners (from about 30 kg to about 110 kg BW) assigned to four experimental groups of 40 animals each (5 replicates with 8 individuals each). The animals in control group received a diet in which the source of fat was soybean oil. The other groups received extruded flaxseed (FE) in place of soybean meal in the amount of 2% (group 2FE); 4% (group 4FE) and 6% (group 6FE). Soybean oil was added to the diets in the experimental treatments to obtain equal amounts of fat. The inclusion of 2% and 4% extruded flaxseed in the diet of fatteners in place of soybean meal significantly improved the digestibility of basic nutrients, i.e. ether extract (by about 5%) and dietary fibre (by more than 20%) and led to better growth performance (higher BW by about 11%; higher ADG by about 20% and lower FCR by about 12%) vs group C. In the groups with 2% and 4% extruded flaxseed there was also an increase in the lean meat content of the carcasses (by about 6%) and the thickness of the backfat (by about 6.5%) vs group C. The inclusion of extruded flaxseed did not affect the animals’ condition, as indicated by the haematological and biochemical parameters of the blood, which were within reference ranges. The results for production, nutrient digestibility and carcass analysis between groups 2FE and 4FE were similar, and at this stage of research indicate that the use of 2% extruded flaxseed is economically more justified.
饲粮中添加膨化亚麻籽对育肥猪生产性能和血液指标的影响
摘要本试验旨在研究饲粮中添加2%、4%和6%挤压亚麻籽对育肥猪生长性能参数、胴体参数和选定血液参数的影响。试验选用体重约30 ~ 110 kg断奶仔猪160头,分为4个试验组,每组40头(5个重复,每个重复8头)。对照组饲喂脂肪来源为大豆油的饲料。其余各组以2%的挤压亚麻籽(FE)代替豆粕(2FE组);4% (4FE组)和6% (6FE组)。在试验处理的饲粮中添加大豆油以获得等量的脂肪。在育肥者的日粮中添加2%和4%的挤压亚麻籽代替豆粕,显著提高了基础营养物质,即粗脂肪的消化率(约5%)和膳食纤维的消化率(超过20%),并提高了生长性能(体重提高约11%;与c组相比,添加2%和4%挤压亚麻籽组的胴体瘦肉含量(约6%)和背膘厚度(约6.5%)也有所增加。挤压亚麻籽对动物的身体状况没有影响,血液的血液学和生化参数均在参考范围内。第2组和第4组的产量、营养物质消化率和胴体分析结果相似,在本阶段研究表明,使用2%挤压亚麻籽在经济上更为合理。
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来源期刊
Annals of Animal Science
Annals of Animal Science 农林科学-奶制品与动物科学
CiteScore
4.00
自引率
5.30%
发文量
138
审稿时长
6-12 weeks
期刊介绍: Annals of Animal Science accepts original papers and reviews from the different topics of animal science: genetic and farm animal breeding, the biology, physiology and reproduction of animals, animal nutrition and feedstuffs, environment, hygiene and animal production technology, quality of animal origin products, economics and the organization of animal production.
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