Abstract
The prohibition on the use of Antibiotic Growth Promoter (AGP) causes the use of probiotics, herbs, enzymes and organic acids as an alternatives to AGP. This study aimed to determine the role of combination of probiotic and herbs in commercial feed additives on broiler performance. Sixty day-old male broiler were divided into 3 groups where each group consisted of 20 chickens with 4 replication each group. Group I was given commercial feed, group II was given commercial feed + AGP and group III was given commercial feed + combination of probiotics, herbs, enzymes and organic acids. All chickens were kept for 5 weeks. Body weight gain (BWG), body weight (BW) and Feed Convertion Ratio (FCR) were calculated every week. Carcass percentage was calculated at week 5. The results obtained from BWG and BW on group III at weeks 4 and 5 weeks were higher and significant difference (P<0.05) compared to groups I and II. The percentage of carcasses between groups did not have a significant difference (P>0.05). FCR values in group III from week 1 to weeks 5 were lower than groups I and II. The use of combination of probiotics, herbs, enzymes and organic acids has proven to have a good role on broiler performance so that it can replace AGP as a feed additive on broiler.
Highlights
Feed additives are ingredients that are mixed in the livestock feed which can affect health, productivity and nutritional conditions of livestock animals
The World Health Organization (WHO) through the Global Strategy for Containment of Antimicrobial Resistance prohibits the use of Antibiotic Growth Promoter (AGP) as an effort to minimize the incidence of antibiotic resistance
Probiotics, herbs, enzymes and organic acids independently have a good effect on broiler performance such as increase digestive enzyme activity in the gut, nutrient digestibility, villi height, weight gain, carcass percentage and decrease Feed Convertion Ratio (FCR) value [4,5,6,7,8,9,10]
Summary
Feed additives are ingredients that are mixed in the livestock feed which can affect health, productivity and nutritional conditions of livestock animals. The World Health Organization (WHO) through the Global Strategy for Containment of Antimicrobial Resistance prohibits the use of Antibiotic Growth Promoter (AGP) as an effort to minimize the incidence of antibiotic resistance. Probiotics, herbs, enzymes and organic acids independently have a positive effect on performance, a combination of feed additives is needed in order to get the maximum effect. Several previous studies in vivo using a combination of probiotics, prebiotics and organic acids [11] and a combination of probiotics, prebiotics and enzymes [12] revealed that the feed additives combination had a synergistic effect and could improve broiler performance. This study aimed to determine the role of probiotics, herbs, enzymes and organic acids combination on broiler performance
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