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| 1 | Influence of dietary carbohydrases, individually or in combination with phytase or an acidifier, on performance, gut morphology and microbial population in broiler chickens fed a wheat-based diet显示文摘The objective of this study was to examine the effects of dietary carbohydrases(xylanase and b-glucanase; XG), individually or in combination with phytase or acidifier on the growth performance, carcass attributes, intestinal microbial counts and morphology in broiler chickens fed a wheat-based diet. A total of 240 one-day-old male broiler chicks were randomly allocated into 4 treatment groups with 6 replicates of 10 birds each. The dietary treatments included a basal diet, the basal diet with an enzyme complex containing XG, XG plus a microbial phytase(XG + P) and XG plus acidifier(XG + A). The results indicated that feed conversion ratio(FCR) was improved in broiler chickens which received XG + A during the entire production period(1 to 35 d) of the trial(P < 0.05). The broiler chickens fed XG + P had lower feed intake compared with the control group at 29 to 35 d of age. The experimental treatments had no effect on the body weight gain of broiler chickens. In carcass traits, except for spleen(P < 0.05), the dietary treatments had no effects on the carcass characteristics of broiler chickens. The birds which received diets supplemented with XG and XG + A had a lower weight of the spleen compare with the control. Addition of XG in combination with phytase(XG + P) resulted in a decrease in ileal enumeration of Escherichia coli at 35 d of age(P < 0.05). However, dietary treatments did not alter the population of ileal Lactobacilli in broiler chickens. Supplementing carbohydrases with phytase and acidifier(XG + P and XG + A) significantly increased the intestinal villus length at 35 d of age(P < 0.05). In conclusion, the present study demonstrated that supplementation of the wheat-based diet with a combination with carbohydrases and acidifier(XG + A) improves FCR in broiler chickens. Furthermore, combinations of carbohydrases with phytase(XG + P) and with acidifier(XG + A) decrease the E. coli counts and increase the villus length in broiler chickens. | Amin Roofchaei Vahid Rezaeipour Safieh Vatandour Faegheh Zaefarian | 2019 | Animal Nutrition2019，，1： | 8 |
| 2 | A corpo- rate social entrepreneurship approach to market-based pov- erty reduetion显示文摘 | ZAEFARIAN R TASAVORI M GHAURI N | 2015 | Emerging Markets Finance and Trade2015，51，2： | 1 |
| 3 | A corporate so- cial entrepreneurship approach to market-based poverty reduction显示文摘 | Zaefarian R Tasavori M Ghauri P N | 2015 | Emerging Markets Finance and Trade2015，51，2： | 1 |
| 4 | Influence of whole wheat inclusion and a blend of essential oils on the performance,nutrient utilisation,digestive tract development and ileal micro-biota profile of broilers chickens显示文摘 | Amerah A M Ravindan V Zaefarian F | 2011 | Br Poult Sci2011，52，1： | 1 |
| 5 | As- sessing the strategic fit between business strategies and business relationships in knowledge-intensive business services 显示文摘 | ZAEFARIAN G STEPHAN C HENNEBERG NAUDE P | 2013 | In- dustrial Marketing Management2013，42，： | 1 |
| 6 | Influence of whole wheat inclusion and a blend of essential oils on the performance, nutrient utilisation, digestive tract development and ileal microbiota profile of broiler chickens显示文摘 | A.M. Amerah A. Péron F. Zaefarian V. Ravindran | 2011 | British Poultry Science2011，，1： | 1 |
| 7 | Internationalisation of service firms through corporate social entrepreneur- ship and networking显示文摘 | Ghauri P Tasavori M Zaefarian R | 2014 | International Marketing Re- view2014，31，6： | 1 |
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