Effects of Different Sources of Sorghum to Replace Corn on Growth Performance, Intestinal Mucosal Morphological Structure and Serum Indices of Yellow-Feathered Broilers

HU Guili, YE Xiaofei, WANG Yushi, FAN Zhiyong, ZHANG Shirui, HE Xi

doi:10.3969/j.issn.1006-267x.2017.07.015

2017 , Vol. 29 >Issue 7: 2325 - 2334

DOI: https://doi.org/10.3969/j.issn.1006-267x.2017.07.015

Molecular Nutrition

Effects of Different Sources of Sorghum to Replace Corn on Growth Performance, Intestinal Mucosal Morphological Structure and Serum Indices of Yellow-Feathered Broilers

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College of Animal Science and Technology, Hunan Agricultural University, Engineering Research Center of Feed Safety and Efficient Use of Ministry of Education, Hunan Co-Innovation Center of Animal Production Safety, Changsha 410128, China

Received date: 2017-01-01

Online published: 2017-07-05

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Abstract

This study was conducted to investigate the effects of different sources of sorghum to replace corn on growth performance, slaughter performance, intestinal morphological structure and serum biochemical and antioxidant indices of yellow-feathered broilers. A total of 350 healthy 1-day-old yellow-feathered broilers with similar body weight were randomly selected and allocated to 7 groups with 5 replicates per group and 10 broilers per replicate. Each group was fed one of seven diets: basal diet (control), America sorghum, Hunan sorghum and Inner Mongolia sorghum replacing 30% corn, respectively, America sorghum, Hunan sorghum, Inner Mongolia replacing 50% corn, respectively. The feeding period lasted for 56 days, and was divided into early stage (1 to 28 days of age) and later stage (29 to 56 days of age). The results showed as follows: 1) compared with control group, three different sources of sorghum replacing corn by 30% and 50% had no adverse effects on growth performance. 2) Compared with control group, the percentage of abdominal fat of broilers feeding Hunan sorghum to replace 50% corn was significantly higher (P<0.05), while other slaughter performance indices were not significantly different among groups (P>0.05). 3) At early stage, compared with control group, there were no significant differences in villus height, crypt depth and villus height/crypt depth (V/C) value in duodenum, villus height and V/C value in jejunum, and villus height and crypt depth in ileum (P>0.05); compared with control group, America sorghum replacing 50% corn significantly increased ileum V/C value (P<0.05). 4) At early stage, with the increase of the replacing proportion of Inner Mongolia sorghum and Hunan sorghum, serum glutathione peroxidase (GSH-Px) activity decreased slightly (P>0.05); at later stage, with the increase of the replacing proportion of Inner Mongolia sorghum and Hunan sorghum, serum total antioxidant capacity (T-AOC) was increase, and it was significantly increased when the replacing proportion was 50% (P<0.01). In conclusion, there is no adverse effect on growth performance of yellow-feathed broilers feeding different sorghum instead of corn. The yellow-feather broilers feeding Inner Mongolia sorghum to replace 50% corn achieve the best effect according to intestinal mucosa morphological and serum antioxidant indices.

Key words： yellow-feathered broilers; sorghum; growth performance; slaughter performance; intestinal mucosa morphological structure; serum indices

Cite this article

HU Guili, YE Xiaofei, WANG Yushi, FAN Zhiyong, ZHANG Shirui, HE Xi . Effects of Different Sources of Sorghum to Replace Corn on Growth Performance, Intestinal Mucosal Morphological Structure and Serum Indices of Yellow-Feathered Broilers[J]. Chinese Journal of Animal Nutrition, 2017 , 29(7) : 2325 -2334 . DOI: 10.3969/j.issn.1006-267x.2017.07.015

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