Effects of Diet of Different Feed Forms and Nutrient Levels on Development of Proventriculus of White Feather Broilers and Their Relationship with Proventriculitis

WANG Zhengguo; LYU Mingbin; YAN Lei; LYU Zunzhou; AN Sha; LIU Guowen; WANG Zhe

doi:10.3969/j.issn.1006-267x.2015.01.031

2015 , Vol. 27 >Issue 1: 256 - 264

DOI: https://doi.org/10.3969/j.issn.1006-267x.2015.01.031

Short Communications

Effects of Diet of Different Feed Forms and Nutrient Levels on Development of Proventriculus of White Feather Broilers and Their Relationship with Proventriculitis

WANG Zhengguo ,
LYU Mingbin ,
YAN Lei ,
LYU Zunzhou ,
AN Sha ,
LIU Guowen ,
WANG Zhe

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1. College of Veterinary Medicine, Jilin University, Changchun 130062, China;
2. Shandong New Hope Liuhe Group Co., Ltd., Qingdao 266061, China;
3. Expert Working Station for Feed Safety of Qingdao, Qingdao 266000, China

Received date: 2014-07-08

Online published: 2015-01-10

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Abstract

This experiment was conducted to study the effects of feed form and nutrient level on development of proventriculus of fast large white feather broilers, and evaluate their relationship with proventriculus development and proventriculitis occurrence. A total of 960 one-day-old male Ross 308 broiler chickens were randomly assigned to 4 groups with 8 replicates per group, and 30 chicks per replicate. Broilers in 4 groups were fed normal nutrient level+pellet diet, normal nutrient level+mash diet, low nutrient level+mash diet and low nutrient level+pellet diet, respectively. The pre-experiment lasted for 14 days and the experiment lasted for 21 days. The results showed that nutrient level had no significant effect on the development of proventriculus (P>0.05) and feed form had significant effect on the development of proventriculus (P<0.05). Pelleted diet significantly improved the average daily gain (ADG) (P<0.05), as well induced the dysplasia and inflammatory of proventriculus. Broilers fed mash diet had significantly lower ADG than that of pelleted diet (P<0.05), but had better proventriculus development and less inflammatory. No infectious bronchitis virus was detected in each group. Pathematology results showed that development of proventriculus of broilers fed with mash diet was normal, while inflammatory of proventriculus was found of broilers fed with pelleted diet, also the structure of proventriculus papillae was abnormal. In conclusion, mash diet has better effect on the development of proventriculus, while pelleted diet may causes the augmentation and inflammatory of proventriculus. Nutrient level has no significant effect on the development of proventriculus. In addition, proventriculitis occurrence not must be caused by infectious bronchitis virus.

Key words： broilers; proventriculitis; feed form; nutrient level; pellet diet; mash diet

Cite this article

WANG Zhengguo , LYU Mingbin , YAN Lei , LYU Zunzhou , AN Sha , LIU Guowen , WANG Zhe . Effects of Diet of Different Feed Forms and Nutrient Levels on Development of Proventriculus of White Feather Broilers and Their Relationship with Proventriculitis[J]. Chinese Journal of Animal Nutrition, 2015 , 27(1) : 256 -264 . DOI: 10.3969/j.issn.1006-267x.2015.01.031

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