Penelitian bertujuan untuk membuat estimasi out put ternak sapi potong di Kabupaten Banyuasin, Provinsi Sumatera Selatan. Penelitian dilakukan secara survei di Kecamatan Betung, Talang Kelapa dan Tanjung Lago. Data diambil dengan metode wawancara terhadap 1180 responden. Data yang diambil meliputi komposisi populasi dan pengelolaan reproduksi. Data komposisi populasi dan pengelolaan reproduksi dianalisis dengan rata-rata dan standar deviasi, sedangkan output sapi potong diestimasi dengan teori pemuliabiakan ternak. Hasil penelitian menunjukkan bahwa populasi sapi tertinggi adalah bangsa Pesisir 81,15%, efisiensi reproduksi (ER) 98,27%, natural increase 24,39%, net replacement rate jantan 143,26% dan betina 220,15% dan output sapi potong sebesar 24,30% atau 7.267 ekor. Kata kunci: Â Estimasi output, Sapi potong, Banyuasin
This study aims to estimate fruit tree biomass with a high-order Gaussian kernel estimator. The source of the data was obtained by estimating the relationship between tree diameter (x) and tree biomass (y) which was obtained through the allometric equation y = 0.11ρx2.62 for branched trees. Data samples were taken as many as 250 obtained from 5 sub-district locations in critical land on longan and mango fruit tree vegetation. The relationship between x and y is then estimated in the form of an equation yi = m (xi) + εi where, i = 1, 2, n. The results of the analysis using the kernel estimator showed that the tree biomass estimation resulted in a smooth regression curve at an optimal bandwidth (h) score of 1.3 (GCV = 122.92) longan and 2.6 (GCV = 3523.25) mango. The relationship between MSE and bandwidth shows a very strong negative correlation with a score of r = -0.959 (p.value = 0.04) in the estimated longan biomass and r = -0.964 (p.value = 0.03) in the estimated mango biomass and is significant (α = 0.05). This means that a parallel increase in the bandwidth score will decrease the MSE score when GCV is controlled.
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