Update Artikelilmiah: 29056

NURLINA NAFISAH

NIM

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Abstrak (Bhs. Indonesia)

Penelitian bertujuan mengetahui pengaruh penggunaan tepung roti afkir terhadap bobot 
dan persentase karkas bagian dada dan paha bawah ayam broiler. Penelitian menggunakan 
Rancangan Acak Lengkap (RAL) dengan tiga perlakuan dan enam kali ulangan. Materi penelitian 
adalah ayam broiler strain MB 202 umur 21 hari sebanyak 90 ekor dengan perlakuan selama 20 
hari. Perlakuan adalah formula A: pakan tanpa tepung roti afkir/pakan komersial, formula B: 
pakan menggunakan tepung roti afkir 15% menggantikan jagung, dan formula C: pakan 
menggunakan tepung roti afkir 30% menggantikan jagung. Hasil penelitian menunjukkan bahwa 
penggunaan pakan formula A memberikan bobot bagian dada lebih tinggi dari pada yang 
mendapat pakan formula B dan C (P<0,05) sedangkan bobot karkas bagian dada ayam broiler
mendapat pakan formula B dan C tidak berbeda. Persentase karkas bagian dada ayam broiler 
yang mendapat pakan formula A, B, dan C tidak berbeda nyata (P>0,05). Bobot karkas bagian 
paha bawah ayam broiler yang mendapat pakan formula A dan C berbeda nyata (P<0,05) 
sedangkan pakan formula A dan B, serta pakan formula B dan C tidak berbeda. Persentase karkas 
bagian paha bawah ayam broiler yang mendapat pakan formula A dan B berbeda nyata (P<0,05) 
sedangkan pakan formula A dan C, serta pakan formula B dan C tidak berbeda. Simpulan hasil 
penelitian bahwa penggunaan tepung roti afkir sampai 30% menggantikan jagung belum mampu 
menghasilkan bobot karkas bagian dada dan paha bawah ayam niaga pedaging sebaik ayam yang 
mendapat pakan tanpa tepung roti afkir/pakan komersial, namun dapat menghasilkan persentase 
bagian-bagian karkas yang sama kecuali pada paha bawah.

Abtrak (Bhs. Inggris)

The study was aims to determine the use of rejected bread flour on the weight and 
percentage of the chest and the lower thighs carcasses of broiler chickens. The study used
completely randomized design (CRD) with three treatments and six times repeatation. The 
research used MB 202 strain, 21 days old, 90 chickens and treated along 20 days. Feed treatment 
in this research was formula A: commercial feed without rejected bread flour, formula B: feed used
rejected bread flour 15% replacing corn and formula C: feed used rejected bread flour 30% 
replacing corn. The results showed that the weight of chest carcasses of broiler chickens that got 
the formula A higher than B and C (P < 0.05) but chest weight from chickens fed formula B and C 
did not different. The percentage of chest carcasses of broiler chickens that got formula A, B, and C 
are not significantly different (P > 0.05). The weight of the lower thigh of chickens that got the 
formula A was higher than ones got formula C (P < 0.05) but for formula A and B also formula B 
and C were not different lower thigh weight. The percentage of the lower thigh of chicken got
formula A and B were significantly different (P < 0.05). The percentage of lower thigh of chickens 
feed formula A and C also formula B and C were not different. The conclusion of the research was 
the use rejected bread flour until 30% as a substitution for corn has not able to produce of the 
same the weight of the chest carcass and lower thighs of commercial broiler chickens as well as chickens that are feed without rejacted bread flour / commercial feed, but can produce the same 
percentage of carcass parts except on the lower thigh.

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