Main Article Content
Abstract
This study aims to estimate the correlation between body weight and carcass weight in selected native chickens in the third generation (G3). The material used in this study was 200 DOC managed with a free-range system. The samples used to obtain carcass weight were determined by purposive sampling, consisting of 38 male chickens and 26 female chickens. The data obtained were analyzed using correlation and regression analysis. The observed variables were body weight (BW) at 2, 4, 6, 8, and 10 weeks of age (independent variable) and carcass weight (CW) at 10 weeks of age (dependent variable). The results showed that the average body weight (BW) of male and female chickens up to 6 weeks of age showed no significant difference (P>0.05). After eight weeks of age, the male free-range body weights were significantly different (P<0.05) higher than female chickens, while at the period of 10 weeks, the body weights of male chickens were significantly different (P<0.01) and showed higher than female chickens. Male chickens' average free-range carcass weight was significantly higher (P<0.01) than the carcass weight (CW) of female chickens. The correlation between body weight at 2, 4, 6, 8, and 10 weeks and carcass weight showed a close correlation, ranging from 0.71 to 0.97. The highest correlation coefficient values were found in male and female native chickens at ten weeks of age, with 0.94 and 0.97. It can be concluded that BW at 2, 4, 6, 8, and 10 weeks of age in male and female chickens strongly correlated with carcass weight (CW). Hence, body weight (BW) could be used as a selection criterion to increase chickens' carcass weight (CW) under study.
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References
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References
Abdu, M., Gushairiyanto, Depison, 2021. Hubungan Bobot Telur Dengan Bobot Doc Dan Bobot DOC dengan Bobot Badan Ayam Sentul Generasi Pertama (G1). J. Ilm. Peternak. Terpadu 9, 279–290.
Arianto, T., H.I. Wahyuni., E, K., 2019. Analisis Parameter Pertumbuhan Ayam Kedu Jengger Merah dan Jengger Hitam Generasi Ke-Dua di Balai Pembibitan dan Budidaya Ternak Non Ruminansia Satker Ayam Maron Kabupaten Temanggung. J. Peternak. Indones. (Indonesian J. Anim. Sci. 21, 10–17. https://doi.org/10.25077/jpi.21.1.10-17.2019
Daud, M., Z, F., Mulyadi, 2017. Performa dan Persentase Karkas Ayam Ras Petelur Jantan pada Kepadatan Kandang yang Berbeda. Agripet 17, 67–74.
Depison, Gushairiyanto, Irmaya, D., 2022. Characterization Phenotype and Genetic Distance Some of the Native Chicken Strains in Jambi Province Indonesia. Iraqi J. Agric. Sci. 53, 115–1166. https://doi.org/10.36103/ijas.v53i5.1629
Djegho, Y, J.N.K., 2020. KORELASI FENOTIP ANTARA UKURAN BAGIAN TUBUH DENGAN BOBOT ( PHENOTIPE CORRELATION BETWEEN BODY MEASUREMENTS WITH BODY WEIGHT OF. J. Nukl. Peternak. 7, 51–54.
Ertina, Kastalani, Yemima, dan K., 2021. Perbandingan dan Hubungan Bobot Hidup dengan Bobot Karkas Ayam Broiler yang Ditambahkan Jagung Kuning pada Pakan Komersial. J. Ilmu Hewani Trop. 10, 64–69.
Fijana, M.F., E, S., U, A., 2012. PENGARUH PROPORSI PEMBERIAN PAKAN PADA SIANG MALAM HARI DAN PENCAHAYAAN PADA MALAM HARI TERHADAP PRODUKSI KARKAS AYAM BROILER. Anim. Agric. J. 1, 697–710.
Immamudin, U.A. dan M.H.N., 2012. PENGARUH BERBAGAI FREKUENSI PEMBERIAN PAKAN PADA PEMBATASAN PAKAN TERHADAP PRODUKSI KARKAS AYAM BROILER. Anim. Agric. J. 1, 87–98.
Irmaya, D., Depison, Gushairiyanto, 2021. Quantitative characteristic of Indonesian native chickens at the age of 4 months. Livest. Anim. Res. 19, 108. https://doi.org/10.20961/lar.v19i1.43150
Lapihu, Y.L., Telupere, F.M.S., Sutedjo, H., 2019. Kajian Fenotip dan Genetik Performa Pertumbuhan dari Persilangan Ayam Lokal dengan Ayam Ras Petelur Isa Brown. J. Sains Peternak. Indones. 7109, 298–305.
Marsetyo, Marfuah, N., Harsah, 2015. Pengaruh level penggunaan daun katuk (Saoropus androgynus) pada ransum terhadap penampilan produksi dan persentase karkas ayam kampung. Nat. Sci. J. … 4, 73–83.
Pagala, M.A., A. A. S, A., Badaruddin, R., Has, H., 2018. Karakteristik Fenotip dan Genotip Gen GH (Growth Hormon) pada Ayam Tolaki. J. Ilmu Produksi dan Teknol. Peternak. 5, 1–4.
Putri, A.B.S.R.N., Gushairiyanto, G., Depison, D., 2021. Karakteristik Kuantitatif dan Jarak Genetik Beberapa Galur Ayam Lokal. J. Ilmu Peternak. dan Vet. Trop. (Journal Trop. Anim. Vet. Sci. 11, 99. https://doi.org/10.46549/jipvet.v11i2.110
Ramdani, I., D. Kardaya, Anggraeni, 2016. Pengaruh Substitusi Tepung Ampas Kelapa Dalam Pakan Komersil Terhadap Energi Metabolis Ayam Kampung. J. Peternak. Nusant. 2, 51–56.
Sari, M., Depison, Gushariyanto, Wiyanto, E., 2021. Hubungan Bobot Telur dengan Bobot Tetas dan Bobot Tetas dengan Bobot Badan Ayam Merawang G1 sampai Umur 4 Bulan. J. Peternak. 18, 147. https://doi.org/10.24014/jupet.v18i2.13769
Utama, M., Depison, Gushairiyanto, H. Ediyanto, 2021. Perbandingan Daya Tunas, Daya Tetas, dan Karakteristik Kuantitatif Ayam KUB dengan Ayam Kampung (G1) Comparison of Fertility, Hatchability and Quantitative Characteristics between KUB Chicken and Kampung Chicken (G1). J. Ilmu dan Teknol. Peternak. Trop. 9, 95–103. https://doi.org/10.33772/jitro.v9i1.19736
Wahju, J., 2015. Ilmu Nutrisi Unggas. Cetakan Ke-6, Ke-6. ed. Gadjah Mada University Press, Yogyakarta.
Wahyudi, I., Depison, Erina, S., 2022. Karakteristik telur dan DOC ayam bangkok generasi pertama (G1). J. Ilmu Peternak. dan Vet. Trop. (Journal Trop. Anim. Vet. Sci. 12, 191–202. https://doi.org/10.46549/jipvet.v12i3.240