Effect of Perilla Seed Extract on broiler performance
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Last Update: 2012-10-30
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Source: Internet
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Author: User
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October 30, business club reported that perilla is an annual herb with special fragrance There are a lot of unsaturated fatty acids in Perilla seed oil: α - linolenic acid (65%), linoleic acid (14%) and oleic acid (14%) account for 93% of the total, among which linolenic acid and linoleic acid are essential fatty acids to maintain normal operation of human body, It has the important physiological functions of reducing blood fat, promoting growth and regulating immune system Studies have shown that polyunsaturated fatty acids, as a natural feed additive, can prevent diseases, improve the fecundity of livestock and improve meat quality However, there are few studies on the effect of polyunsaturated fatty acids on broiler performance Therefore, the school of animal science and technology of Shandong Agricultural University has carried out in-depth research on this issue The experiment selected 1-day-old AA broilers to explore the effect of adding different levels of perilla seed extract to the diet on the performance of broilers, so as to provide theoretical basis for the rational use of perilla seed extract in animal husbandry Materials and methods: perilla seed extract: the main components are α - linolenic acid, linoleic acid, flavone, vitamin E, developed and produced by Chongqing Yousheng Technology Development Co., Ltd 960 1-day-old AA broilers were randomly divided into 4 treatments, 4 replicates per treatment, 60 replicates per treatment Treatment 1: the control group was fed with basic diet; treatment 2, 3 and 4 groups were fed with 150 mg, 250 mg and 350 mg / kg perilla seed extract respectively Results and analysis The effect of different levels of Perilla Seed Extract on the average daily intake of broilers from the test results can be seen that compared with the control group, the average daily intake of broilers in the adding group of 150 mg / kg perilla seed extract is higher than that of the control group, and the average daily intake of Broilers in the adding group of 250 mg / kg and 350 mg / kg perilla seed extract in the diet, The average daily intake of broilers decreased from 8 to 42 days old With the increase of the content of perilla seed extract, the average daily intake decreased Compared with the control group, the average daily intake of 250 mg / kg perilla seed extract group decreased by 2.36%, 4.46% and 3.93% respectively The results showed that the average daily weight gain of broilers fed with 150 mg / kg perilla seed extract was significantly higher than that of the control group at the age of 8-21 days, 21-42 days and 8-42 days, and the difference was significant at the levels of 250 mg / kg and 350 mg / kg Not obvious Effects of different levels of Perilla Seed Extract on the feed to weight ratio of broilers the feed to weight ratio of 21-42 days decreased by 4.39% and 4.07% respectively compared with that of the control group, and the feed to weight ratio of 8-42 days decreased by 3.44% and 2.62% respectively compared with that of the control group Conclusion The results showed that adding different gradients of perilla seed extract to broiler diet could improve feed conversion rate and reduce feed to weight ratio, and the feed intake and daily gain of broiler were significantly higher than those of the control group at the level of 150 mg / kg of perilla seed extract, which further confirmed that adding perilla seed extract to broiler diet could improve the nutrient utilization rate of broiler, and then improve the nutrient utilization rate of broiler It has the advantages of high production performance, low feed to meat ratio, high feed efficiency, non toxicity and no side effects The optimum addition level is 150 mg / kg ~ 250 mg / kg, which can be widely used in feed production.
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