Animal Bioscience

  • 제38권3호
  • /
  • Pages.522-529
  • /
  • 2025
  • /
  • 2765-0189(pISSN)
  • /
  • 2765-0235(eISSN)
아세아태평양축산학회 (Asian Australasian Association of Animal Production Societies)
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Phytase and nutrient-energy matrix: a strategic approach to enhancing the performance of broiler chickens fed a corn-soybean meal-based diet

  • Pok Su Choi (Department of Animal Industry Convergence, Kangwon National University) ;
  • Habeeb Tajudeen (Department of Animal Industry Convergence, Kangwon National University) ;
  • Jun Young Mun (Department of Animal Industry Convergence, Kangwon National University) ;
  • Sang Hun Ha (Department of Animal Industry Convergence, Kangwon National University) ;
  • Abdolreza Hosseindoust (Department of Animal Industry Convergence, Kangwon National University) ;
  • Serin Park (Department of Animal Industry Convergence, Kangwon National University) ;
  • Hye In Park (Department of Animal Industry Convergence, Kangwon National University) ;
  • Priscilla Neves Silvestre (Department of Animal Industry Convergence, Kangwon National University) ;
  • Anushka Lokhande (Department of Animal Industry Convergence, Kangwon National University) ;
  • Santosh Ingale (Advanced Enzymes Technologies Ltd) ;
  • Jin Soo Kim (Department of Animal Industry Convergence, Kangwon National University)
  • 투고 : 2024.08.08
  • 심사 : 2024.10.10
  • 발행 : 2025.03.01
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초록

Objective: This study examined the effects of a nutrient matrix with or without phytase on the performance of broiler chicken. Methods: A total of 2,000 day-old Ross 308 broiler chickens were assigned to 5 dietary treatments, with 10 broilers per replicate and 40 replicates per treatment. The experimental diets included 1. CON: A corn and soybean meal (SBM)-basal diet without phytase. 2, NC1: A corn-SBM-based diet with reduced nutrients, specifically 0.13% less phosphorus, 40 kcal/kg less metabolizable energy (ME), and 0.30% less crude protein (CP), without phytase. 3, NC1+PHYT: NC1+500 FTU/kg phytase. 4, NC2: Another corn-SBM-based diet with greater nutrient reductions, including 0.16% less phosphorus, 55 kcal/kg less ME, and 0.45% less CP, without phytase. 5, NC2+PHYT: NC2+1,000 FTU/kg phytase. Results: In the pre-starter and overall phase, feed conversion ratio (FCR) was higher in NC2 and NC2+PHYT. In the starter phase, body weight gain (BWG) was lower in NC2 and NC2+PHYT. In the grower phases, BWG was lower in NC2, while FCR was higher. At d28, the digestibility of ash was higher in NC1+PHYT, while the digestibility of Ca and phosphorus were higher in NC1+PHYT and NC2+PHYT. At day 42, the digestibility of ash, Ca, and phosphorus were higher in NC1+PHYT and NC2+PHYT. The level of tibia ash was lower in NC2. The level of myo-inositol was lower in NC2 at d28, while the level of myo-inositol at d42 was lower in NC1 and NC2. Conclusion: We concluded NC1+PHYT showed a higher growth performance comparable to CON, as against the lower performance observed in NC2, NC2+PHYT, and NC1.

키워드

과제정보

We appreciate the technical support provided by the staff of Kangwon National University Teaching and Research Farm during the course of this experiment.

참고문헌

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