Synergistic effect of exogenous multi-enzyme and phytase on growth performance, nutrients digestibility, blood metabolites, intestinal microflora and morphology in broilers fed corn-wheat-soybean meal diets

被引：16

作者：

Kim, MinJu ^{[1
]}

Ingale, Santosh Laxman ^{[2
]}

Hosseindoust, Abdolreza ^{[3
]}

Choi, YoHan ^{[4
]}

Kim, KwangYeol ^{[3
]}

Chae, ByungJo ^{[3
]}

机构：

[1] Univ Queensland, Ctr Nutr & Food Sci, Queensland Alliance Agr & Food Innovat, Brisbane, Qld 4072, Australia

[2] Adv Enzyme Technol Ltd, Thana 400604, India

[3] Kangwon Natl Univ, Coll Anim Life Sci, Chunchon 24341, South Korea

[4] Rural Dev Adm, Swine Div, Natl Inst Anim Sci, Cheonan 31000, South Korea

来源：

ANIMAL BIOSCIENCE | 2021年 / 34卷 / 08期

关键词：

Exogenous Enzyme; Broiler Chickens; Phytase; Nutrients Digestibility; Gut Microflora; Growth Performance; NONSTARCH POLYSACCHARIDES; XYLANASE SUPPLEMENTATION; ENZYME SUPPLEMENTATION; COMBINATION; PROTEASE; CHICKENS; AMYLASE; FEED; OLIGOSACCHARIDES; CARBOHYDRASES;

D O I：

10.5713/ab.20.0663

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

Objective: This study was conducted to investigate the synergistic effect of exogenous multi-enzyme and phytase on growth performance, nutrients digestibility, blood metabolites, intestinal microflora, and morphology in broilers fed corn-wheat-soybean meal diets. Methods: A 2x2 factorial design was used in this study. Four dietary treatments consisted of i) basal diets (corn-wheat-soybean meal based diets without multi-enzyme and phytase), ii) basal diets with phytase (0.05%), iii) basal diets with exogenous multi-enzyme (0.05%), and iv) basal diets with exogenous multi-enzyme including phytase (0.05%). A total of 480 broiler chickens (Ross 308 - one day old) were weighed and allotted to thirty-two cages (15 birds per cage), and chicks were randomly allocated to four dietary treatments. Results: The body weight gain and feed conversion rate were improved by supplementation of exogenous multi-enzyme containing phytase during the finisher period (p<0.05). The birds fed diets with exogenous multi-enzyme containing phytase had a significantly greater digestibility of dry matter, gross energy, crude protein, calcium, and phosphorus compared with birds fed non-supplemented diets (p<0.05). The chickens fed diets with exogenous multi-enzyme containing phytase showed a higher concentration of Ca and P in the serum (p<0.05). The population of Lactobacillus spp., Escherichia coli, and Clostridium were not affected in the ileum and cecum of chickens fed enzyme-supplemented diets. The dietary supplemental exogenous multi-enzyme containing phytase showed a significant improvement in villus height, crypt depth, and villus height and crypt depth ratio, compared to basal diets or dietary supplemental phytase (p<0.05). Conclusion: The supplementation of the exogenous multi-enzyme containing phytase synergistically improved the growth performance, nutrients digestibility, and villus height of the small intestine of broiler chickens fed a corn-wheat-soybean meal based diets.

引用

页码：1365 / 1374

页数：10

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