Effects of Sorghum Type Diets Supplemented with Emulsifier and Lipase on Growth Performance and Slaughter Performance of Liangfenghua Chicken

DING Peng; GUO Yanghao; YUAN Yating; HE Yechun; SONG Zehe; ZHANG Haihan; HE Xi

doi:10.3969/j.issn.1006-267x.2022.09.020

2022 , Vol. 34 >Issue 9: 5642 - 5651

DOI: https://doi.org/10.3969/j.issn.1006-267x.2022.09.020

RESEARCH PAPER

Effects of Sorghum Type Diets Supplemented with Emulsifier and Lipase on Growth Performance and Slaughter Performance of Liangfenghua Chicken

DING Peng ,
GUO Yanghao ,
YUAN Yating ,
HE Yechun ,
SONG Zehe ,
ZHANG Haihan ,
HE Xi

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1. Provincial and Ministerial Collaborative Innovation Center for the Production of Quality Livestock and Poultry Products, Engineering Research Center for Feed Safety and Efficient Utilization of Ministry of Education, College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China;
2. Yiyang Academy of Agricultural Sciences, Yiyang 413000, China;
3. Hunan Xiangjia Animal Husbandry Co., Ltd., Changde 415300, China

Received date: 2022-03-13

Online published: 2022-10-17

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Abstract

This study aimed to investigate the effects of energy-reducing sorghum type diets supplemented with emulsifier and lipase on growth performance and slaughter performance of Liangfenghua chicken. A total of 1 080 healthy Liangfenghua male chicks of 1-day-old with the nearly same weight were randomly divided into 6 groups with 6 replicates per group and 30 chicks per replicate. Chickens in the control group were fed a basal diet, and those in 5 experimental groups were fed the sorghum type diet (sorghum replaced part of corn in the basal diet), energy-reducing sorghum type diet (sorghum type diet decreased metabolic energy by 0.125 MJ/kg), energy-reducing sorghum type diet with emulsifier, energy-reducing sorghum type diet with lipase and energy-reducing sorghum type diet with emulsifier and lipase, respectively. The experiment lasted for 56 days and was divided into two stages, 1 to 28 days of age and 29 to 56 days of age, respectively. The results showed as follows:1) compared with the control group, the average daily feed intake and feed to gain ratio of Liangfenghua chicken of 29 to 56 days of age and 1 to 56 days of age in sorghum type diet group were significantly increased (P<0.05). Compared with sorghum type diet group, the body weight of Liangfenghua chicken at 28 and 56 days of age, the average daily gain and average daily feed intake in each stage in energy-reducing sorghum type diet group were significantly decreased (P<0.05), and the feed to gain ratio in each stage was significantly increased (P<0.05). Compared with energy-reducing sorghum type diet group, the energy-reducing sorghum type diet supplemented with emulsifier or lipase significantly improved the growth performance indices of chickens (P<0.05). 2) Compared with the control group, the half eviscerated carcass percentage and eviscerated carcass percentage of Liangfenghua chicken in energy-reducing sorghum type diet group were significantly decreased (P<0.05); compared with energy-reducing sorghum type diet group, the energy-reducing sorghum type diet supplemented with lipase and emulsifier and lipase in combination significantly improved the half eviscerated carcass percentage and eviscerated carcass percentage of chickens (P<0.05). In conclusion, sorghum can be used as energy feed instead of corn in Liangfenghua chicken diets, energy-reducing sorghum type diets reduce the growth performance of chickens, but it can be improved by adding emulsifier and lipase.

Key words： sorghum; emulsifier; lipase; Liangfenghua chicken; growth performance; slaughter performance

Cite this article

DING Peng , GUO Yanghao , YUAN Yating , HE Yechun , SONG Zehe , ZHANG Haihan , HE Xi . Effects of Sorghum Type Diets Supplemented with Emulsifier and Lipase on Growth Performance and Slaughter Performance of Liangfenghua Chicken[J]. Chinese Journal of Animal Nutrition, 2022 , 34(9) : 5642 -5651 . DOI: 10.3969/j.issn.1006-267x.2022.09.020

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