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All Journal Buletin Peternakan
Maria Patricia Arellano
Department of Basic Veterinary Sciences College of Veterinary Medicine, University of the Philippines Los Baños Laguna 4031, Philippines
Veterinary Other

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Journal : Buletin Peternakan

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Effects of Mannanase Supplementation and Citric Acid on the Growth Performance of Broilers Maria Patricia Arellano; Listya Purnamasari; Joseph dela Cruz
Buletin Peternakan Vol 46, No 3 (2022): BULETIN PETERNAKAN VOL. 46 (3) AUGUST 2022
Publisher : Faculty of Animal Science, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21059/buletinpeternak.v46i3.75471

Abstract

The study was conducted to evaluate the effects of citric acid and mannanase feed supplementation on the growth performance of broiler chickens. Three hundred twenty day-old unsexed Cobb broiler chicks from a commercial hatchery plant were used in the study. The chicks were randomly assigned to four treatment groups following a completely randomized design. The following treatment groups were used: T1: Control, T2: 3% (w/w) Citric Acid supplementation, T3: 80 ppm β-Mannanase supplementation, and T4: 3% (w/w) Citric Acid and 80 ppm β-Mannanase supplementation. The supplementation of citric acid and mannanase significantly improves the growth performance of broiler chickens. Body weight and body weight gain were significantly higher (P<0.05) in the citric acid and β-mannanase combination group compared to all the treatment groups. The evaluation of feed intake revealed that T3 and T4 had significantly lower (P<0.05) feed intake than the other groups. The combination of citric acid and β-Mannanase also resulted in a significantly more efficient (P<0.05) feed conversion ratio. No mortality was observed during the experiment. It may be concluded that the supplementation of citric acid and β- mannanase resulted in a better performance in broilers.
Co-Authors Joseph dela Cruz Listya Purnamasari