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Journal : Buletin Peternakan

Effects of L-Isoleucine Supplementation in the Diet on the Growth Performance of Kampong Chicken at the Starter Phase (1-6 Weeks) Lisnahan, Charles Venirius; Pardosi, Lukas; Nahak, Oktovianus Rafael
Buletin Peternakan Vol 48, No 3 (2024): BULETIN PETERNAKAN VOL. 48 (3) AUGUST 2024
Publisher : Faculty of Animal Science, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21059/buletinpeternak.v48i3.91596

Abstract

This study aimed to determine the effect of L-isoleucine supplementation in the diet on the growth performance of Kampong chickens at the starter phase (1-6 weeks). This study was conducted at Kefamenanu, East Nusa Tenggara Province, Indonesia, from May to June 2023. A total of two hundred and fifty-week-old Kampong chickens with an average initial weight of 59.03±0.52 g were used in the study. The chickens were divided into five treatments with five replications based on a completely randomized design. The diet treatments were: T0 (control feed); T1 (T0 + 0.20% L-isoleucine, NRC, 1994 for broilers); T2 (T0 + 0.30% L-isoleucine); T3 (T0 + 0.40% L-isoleucine); and T4 (T0 + 0.50% L-isoleucine). The parameters observed were body weight, weight gain, feed intake, feed conversion ratio, carcass weight, and carcass percentage. The data obtained were analyzed using variance analysis and the Duncan test. The study result showed that the groups T3 and T2 had the highest body weight (330.76±1.29; 334.48±1.47 g/bird, respectively). The highest weight gain was in group T2 (275.54±1.39 g/bird/5 weeks). Group T3 had the highest feed intake (613.15±5.79 g/bird/5 weeks) and the lowest feed conversion ratio (2.22±0.02). The highest carcass weight was in groups T2 and T3 (189.95±1.17 and 189.32±0.65 g/bird, respectively), while the highest carcass percentage was in group T2 (57.43±0.47 %/bird). The statistical analysis indicated that body weight, weight gain, feed conversion ratio, and carcass weight were affected by the level of L-isoleucine (p<0.05). In contrast, feed intake and carcass percentage were not significant. It was concluded that supplementation with 0.40% L-isoleucine to the diet of Kampong chicken resulted in optimal growth performance at the starter phase (1-6 weeks).
Co-Authors Agustina Yovita Boluk Alfred Nubatonis Anastasia Buak Anggelina Mokos Anjelina M. da Cruz Arkianti, Maria Maxmilla Yoche Azor Yulianus Tefa Banusu, Maria Sarliana Batu, Matius S Benu, Didi Prasetyo Bira, Gerson Frans Bria, Deseriana Charles Venirius Lisnahan Dira Asri Pramita Eduardus Yosef Neonbeni Elmalinda Moensaku Emanuel M. Y. Hano’e Emanuel M. Y. Hano’e Emilia Juliyanti Bria Faesal, Andi Fallo, Gergonius Fitra Ramadhan Florian Mayesti Prima Remba Makin Fobia, Kaprisius G. Fransiskus Yulius Dhewa Kadju Hanas, Dicky Frengky Hano’e, Emanuel M. Y. Hermina Manlea Hermina Manlea I Gede Arya Wiguna Jefry Presson Jefry Presson jefry Presson Jendri Mamangkey Jonris Tampubolon Josua Sahala Jusanty Antoneta Pakh Kamaluddin Kamaluddin Kamaluddin Kamaluddin Kia, Kristoforus W Kia, Kristoforus Wilson Kia, Kristoforus. W. Kolo, Maria Magdalena Korbafo, Elisabeth Kristoforus Wilson Kia Lidya, Christie Liem, Noviana Animra Lisnahan, Charles V. Lusiana Yeni Akoit Mada, Grandianus Seda Manalu, Adelya I Mardit N Nalle Maria Ernalinda Seran Matius Stefanus Batu Meta Permata Putri Metriana Leon Moensaku, Elmalinda Nahak, Oktovianus Rafael Naimuni, Fransiskus Xaverius Naisali, Yuliana Natalia Desy Djata Ndua Natalia Hoar Neonbeni, Eduardus Yosef Nugraha K. F. Dethan Pakh, Jusanty Antoneta Pramita, Dira Asri Pramusita, Santa Maya Presson, Jefry Respati Tri Swasono Riska Septia Wahyuningtyas Risna Erni Yati Adu Sabirin Matsjeh Sefrinus Maria Dolfi Kolo Seuk, Mariana Septiani Siahaan, Desta Gloria Sine, Yuni Sio Stefanus, Sio Sipayung, Boanerges Putra SITUMORANG, KOMILIE Tae, Agustina Viktoria Tae, Lidwina Felisima Tahulending, Peggy Tea, Marselina Theresia Djue Tefa, Anna tnunay, ite morina yostianti Tode, Sonya Yuniarsi Welsiliana Welsiliana Widhya Faustina Wiguna, Gede Arya Wilda Lumban Tobing Yakobus Pffeferius Edvend Saba Agu Yohana Fatmawati Usfinit Yos Bobi A. Olla Yuliana Kolo Yuni Sine Yuni Sine Zulfah Az Zahra