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06 , 2018 Vol. 45, Issue. 2
Effect of different phase levels of medium chain triglycerides on the growth performance, excreta microflora and blood profiles of broilers
Jing Hu1    Jae Hong Park1    Jian Ying Zhang1    Jong Sang Yoo2    Jin Young Cheong2    In Ho Kim   

Department of Animal Resource & Science, Dankook University, Cheonan 31116, Korea1
Daehan Feed Co., Ltd, 13, Bukseongpo-gil, Jung-gu, Incheon 22300, Korea2

2018. 06.   204: 210
 
 
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Medium chain triglycerides (MCTs) provide polka dot grouper Chromileptes altevelis with a more readily utilizable source of energy than long-chain fatty acids (LCFAs) and significantly elevate the plasma cholesterol level of chickens. As a possible alternative to feed antibiotics, this study investigated the effect of different phase levels of medium chain triglycerides on the growth performance, excreta microflora and blood profiles in broilers. A total of 450 ROSS 308 mixed-sex broilers with an average initial body weight of 49 ± 0.79 g (1 day of age) were used in this trial. They were randomly assigned to the following 3 treatments (15 birds / 10 replications): CON (Basal diet); MCT1 (Starter, Grower, Finisher: Basal diet + 0.1%, 0.075%, 0.05% of MCT) and MCT2 (Starter, Grower, Finisher: Basal diet + 0.1%, 0.1%, 0.1% of MCT). The results show that supplementing the diets with different phase levels of MCT did not have a significant impact on the body weight gain (BWG), feed intake (FI) and feed conversion ratio (FCR) during the overall experimental period. Additionally, there were no differences in the blood profiles and excreta microflora among the treatments. However, this study found that the BWG was increased by 2.3%, and the FCR was decreased by 0.6% in the broiler fed MCT1 treatment group during overall experiment phase. Therefore, the results suggest that MCTs could be used as an alternative to growth promoting feed additives. Moreover, further research should be done to evaluate the effect of the different levels of MCTs.

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Journal Title : Korean Journal of Agricultural Science
Volume : 45
No : 2
Page : pp  204~ 210
Received Date : 8. 8. 2017
Accepted Date : 2. 3. 2018
Doi : https://doi.org/10.7744/kjoas.20180004
 
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