Tujuan penelitian ini untuk mengetahui Bobot Badan, Pertambahan Bobot Badan Harian dan karakteristik morfometrik sapi Brahman cross dan sapi Bali di Kecamatan Pamenang Barat Kabupaten Merangin. Metode penelitian adalah survey dengan teknik pengambilan sampel secara purpossive sampling, Kriteria sampel umur I1 (16-19 bulan) dan hewan tidak sedang bunting sebanyak 120 ekor yang terdiri dari 60 ekor sapi Bali dan 60 ekor sapi Brahman cross. Data yang dihimpun adalah karakteristik morfometrik meliputi; bobot badan (BB), pertambahan bobot badan harian (PBBH), panjang badan (PB), lingkar dada (LiD), dalam dada (DaD), lebar dada (LeD), tinggi pundak (TP), tinggi pinggul (TPi), dan lingkar kanon (LK). Data yang diperoleh dianalisis menggunakan uji t dan T2-hotelling untuk membandingkan morfometrik antar kelompok bangsa dan bila hasilnya signifikan dilanjutkan dengan Analisis Komponen Utama (AKU) untuk menentukan penciri ukuran dan bentuk sapi Bali dan sapi Brahman cross. Hasil penelitian menunjukan BB, PBB dan ukuran-ukuran tubuh sapi Brahman cross dan sapi Bali berbeda nyata (P<0,05). Faktor penentu ukuran tubuh sapi Brahman cross dan sapi Bali adalah LiD dan faktor penentu bentuk tubuh adalah PB.
ABSTRAK. Sapi potong merupakan salah satu ruminansia yang memiliki potensi besar sebagai sumber protein hewani di Indonesia. Tujuan penelitian ini adalah untuk mengetahui bobot badan, pertambahan bobot badan harian, dan jarak genetik sapi Bali pada tiga Kecamatan di Kabupaten Merangin Provinsi Jambi. Materi penelitian adalah sapi Bali umur I1 (12-24 bulan), sebanyak 180 ekor yang terdiri dari 30 ekor jantan dan 30 ekor betina di setiap kecamatan. Metode penelitian adalah metode survei, teknik pengambilan sampel secara purposive sampling dengan jumlah sampel sebanyak 180 ekor, yang terdiri dari 30 jantan dan 30 betina dan tidak dalam keadaan bunting. Data yang dihimpun meliputi bobot badan, pertambahan bobot badan harian dan morfometrik di tiga kecematan. Data bobot badan, rata-rata pertambahan bobot badan dan morfometri dianalisis menggunakan uji beda rata-rata (uji-t). Vektor nilai rata rata morfometrik sapi Bali di tiga kecamatan dianalisis menggunakan uji statistik T2 Hotelling. Penciri ukuran dan bentuk tubuh sapi Bali dianalisis menggunakan Analisis Komponen Utama. Fungsi diskriminan dapat digunakan untuk menganalisis jarak genetik yang dapat membentuk pohon filogenetik. Hasil penelitian ini menunjukkan bobot badan, rata-rata pertambahan bobot badan dan morfometri sapi Bali di Kecamatan Pamenang dan Bangko berbeda tidak nyata (P> 0,05), sedangkan dengan kecamatan Margo Tabir berbeda nyata (P<0,05) dengan Kecamatan Pamenang dan Bangko. Penciri ukuran dan bentuk sapi Bali di ketiga kecamatan adalah lingkar dada dan tinggi pundak. Kesimpulan penelitian adalah jarak genetik terjauh antara sapi Bali di Kecamatan Bangko dan Margo Tabir (2,6271), dikuti antara Kecamatan Pemenang dan Margo Tabir (2,1357), jarak genetik terdekat antara sapi Bali di Kecamatan Pamenang dan Bangko (0,5772). Kata kunci: Sapi Bali, jarak genetik, morfometrik, analisis komponen utama ABSTRACT. The beef cattle are one of the ruminants that have great potential in providing sources of animal protein in Indonesia. The purpose of this research was to determine the body weight, average daily gain, and genetic distance of Bali cattle in three sub-districts of Merangin district, Jambi Province. The research method was a survey method with purposive sampling technique, as many as 180 samples consisting of 30 males and 30 females in each sub-district and were not pregnant. Data collected include body weight, avarege daily gain and morphometrics between three sub-districs. The data body weight, avarege daily gain and morphometrics were analyzed using the average difference test (t-test). The average value vector body measurement of Bali catlle in three subdistrict was analyzed using the T 2 Hotelling statistical test. The main component analysis statistical test was used to determine the characteristics of the body shape and size of Bali cattle. The discriminant function can be used to analyze genetic distances, which can form a phylogenetic tree. The results of this research indicate of body weight, average daily gain and morphometrics of Bali catt...
<p><strong>Objective:</strong> To determine the association of GH gene diversity with growth traits and to obtain the morphometric characteristics in Kerinci ducks.</p><p><strong>Methods:</strong> The research method is an experiment using 96 blood samples of Kerinci duck blood. The methods included data collection on quantitative characteristics (body weight, body weight gain, body measurements), blood samples from Kerinci ducks, DNA extraction activities, PCR amplification and restriction with AluI enzyme. Data analysis included t-test, T2-Hotelling, principal component analysis, genotype frequency, allele, Hardy-Weinberg balance, heterozygosity, and PIC.</p><p><strong>Results:</strong> The quantitative characteristics of male Kerinci ducks were significantly different (P<0.05) higher than female Kerinci ducks. Analysis of the Kerinci duck GH|AluI gene was polymorphic. The population of Kerinci ducks was in Hardy-Weinberg equilibrium (P>0.05). Diversity Value of Kerinci Duck Ho<He. Quantitative characteristics of GH gene of Kerinci duck genotype +/+ were significantly different (P<0.05) higher than genotype +/- and -/-.</p><p><strong>Conclusions:</strong> The quantitative characteristics of male Kerinci ducks were higher than female Kerinci ducks. Characteristics of the body size of Kerinci duck are the length of sternum, length of shank, and circumference of shank, and identifier of body shape is length of wings. The Kerinci duck GH|AluI gene is polymorphic and has associations with quantitative characteristics, with the best genotype being the +/+ genotype.</p>
This study aims to determine the determinants of size and shape of Simbal and Brahman Cross cattle in the West Pamenang sub-district, Merangin district. The method of this study was a survey with a purposive sampling technique. Sampling criteria included: Sample of each breeds consisted of 60 Simbal and 60 Brahman Cross cattle aged 1-2 years. Data observed included: body length, shoulder height, chest circumference, inside chest, chest width, canon circumference, hip height, body weight, and body weight gain. The differences in body measurements between Simbal and Brahman Cross cattle analyzed by T-test. Identification of the determinants of size and shape of Simbal and Brahman Cross cattle were analyzed using Main Component Analysis method. The results of this study were body weight, body weight gain, and body measurements of Simbal cattle were significantly different (P <0.05) higher than Brahman Cross cattle, both male and female. Simbal cattle and male Brahman Cross cattle were significantly different (P <0.05) higher than females. The conclusion shows that body weight, body weight gain, and body measurements of Simbal cattle are higher than Brahman Cross cattle. Male body weight gain was higher than females in both Simbal and Brahman Cross cattle. The determining factor for the body size of Simbal and Brahman Cross cattle is chest circumference, while the determining factor for body shape of Simbal cattle is the height of shoulders, while Brahman Cross is body length. The highest correlation between body measurements and body weight in Simbal and Brahman Cross cattle, both male and femal is chest circumference (LD).
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