Effects of Compound Enzyme Preparation and Probiotics Supplementation in Sorghum Diets on Apparent Metabolic Energy, Slaughter Performance and Meet Quality of Broilers

HU Guili, TANG Qianning, ZENG Shuli, SONG Zehe, ZHANG Shirui, FAN Zhiyong, HE Xi

doi:10.3969/j.issn.1006-267x.2017.11.020

2017 , Vol. 29 >Issue 11: 3994 - 4002

DOI: https://doi.org/10.3969/j.issn.1006-267x.2017.11.020

Molecular Nutrition

Effects of Compound Enzyme Preparation and Probiotics Supplementation in Sorghum Diets on Apparent Metabolic Energy, Slaughter Performance and Meet Quality of Broilers

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College of Animal Science and Technology, Hunan Agricultural University, Engineering Research Center for Feed Safety and Efficient Utilization of Ministry of Education, Hunan Livestock Safety Production Cooperative Innovation Center, Changsha 410128, China

Received date: 2017-04-20

Online published: 2017-10-31

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Abstract

This experiment was conducted to investigate the effects of compound enzyme preparation and probiotics supplementation in sorghum diets on the slaughter performance, meet quality, apparent metabolic energy (AME) and major nutrient digestibility of broilers. A total of 900 healthy 1-day-old Liangfenghua broilers with the nearly same weight were randomly selected and allocated to 5 groups of control group, sorghum group, sorghum+compound enzyme preparation group, sorghum+probiotics group and sorghum+compound enzyme preparation+probiotics group. Each group contained 6 replicates and 30 broilers per replicate. The experiment period was 68 days, which divided into three stages of early (1 to 28 days of age), late (29 to 56 days of age) and digestibility experiment (57 to 68 days of age). The sorghum was the substitute for about 30% corn and compound enzyme preparation supplemental level was 200 g/t in the experimental groups in early period; the sorghum was the substitute for about 50% corn and compound enzyme preparation supplemental level was 300 g/t in the experimental groups in late period; and the probiotics supplemental level was 100 g/t in the experimental groups in whole period. The results showed as follows:1) compared with the control group, the apparent digestibility of crude fiber (CF) in the sorghum+compound enzyme preparation group and the sorghum+compound enzyme preparation+probiotics group was significantly increased (P<0.05), and the AME and other nutrient apparent metabolic rates in experimental groups had no significant difference (P>0.05). 2) Compared with the control group, the percentage of half-eviscerated yield of broilers in the sorghum+probiotics group and the sorghum+compound enzyme preparation+probiotics group was significantly increased (P<0.05). There were no significant differences in the other indicators of slaughter performance among different groups (P>0.05). 3) Compared with the control group, the lightness (L^*) value of chest muscle of broilers in the sorghum+compound enzyme preparation+probiotics group was significantly increased (P<0.05), and the redness (a^*) value of leg muscle of broilers in all experimental groups was significantly decreased (P<0.05). In conclusion, the addition of compound enzyme preparation and probiotics in sorghum diets can improve the apparent digestibility of CF, and has no adverse effects on slaughter performance and meat quality of broiler.

Key words： sorghum; compound enzyme preparation; Bacillus; slaughter performance; meet quality; metabolic energy; nutrient digestibility

Cite this article

HU Guili, TANG Qianning, ZENG Shuli, SONG Zehe, ZHANG Shirui, FAN Zhiyong, HE Xi . Effects of Compound Enzyme Preparation and Probiotics Supplementation in Sorghum Diets on Apparent Metabolic Energy, Slaughter Performance and Meet Quality of Broilers[J]. Chinese Journal of Animal Nutrition, 2017 , 29(11) : 3994 -4002 . DOI: 10.3969/j.issn.1006-267x.2017.11.020

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