Volume 13, Issue 35 (3-2022)                   rap 2022, 13(35): 109-117 | Back to browse issues page

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Shahpouri M, Dirandeh I, Shohreh B, Kazemifaed M. The Effect of Different Energy Level on Blood Metabolites, Bacterial Population of Small Intestine and Performance of Arian Broiler Chickens. rap. 2022; 13 (35) :109-117
URL: http://rap.sanru.ac.ir/article-1-1255-en.html
Sari Agricultural Sciences and Natural Resources University
Abstract:   (208 Views)
Extended Abstract
Introduction and Objective: The Broiler breeders use diets with different characteristics to feed the chickens based on the price of feed items in the market and the availability of them, their experience and taste. The aim of this experiment was to evaluate the effect of different energy level on blood metabolites, bacterial population of small intestine and performance of Arian broiler chickens.
Material and Methods: In this study, 200 commercial broiler chickens of Arian commercial breed were used in a completely randomized design with four treatments, five replications and 10 chickens per replication. Treatments included, 1: control treatment with the recommended energy level of the guideline;2: 50 kcal / kg less energy than the control; 3: 100 kcal / kg less energy than the control and, 4:150 kcal / kg less energy than the control.
Results: The results of the experiment showed that reduce the energy level of the diet on weight gain, feed conversation ratio and were ineffective (p>0.05) but at 24 and 35 days of age, it increased feed intake also increased the level of breast in treatment 3 and 4 and increased blood glucose and HDL (p<0.05). No effect of treatments was observed on intestinal microbial population.
Conclusion: The results of this experiment show that energy reduction has no effect on poultry performance and shows that dietary energy in Arian breeds can be reduced to levels even less than 150 kcal / kg compare to control diet, which requires further supplementary testing.  Also, the percentage of breasts increased with decreasing energy ­level, which requires the ratio of energy to protein in the guide of this breed should be reviewed.
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Type of Study: Research | Subject: فیزیولوژی
Received: 2021/12/4 | Revised: 2022/07/17 | Accepted: 2021/12/15 | Published: 2022/03/30

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