Estimation of Repeatability and Most Probable Producing Ability (MPPA) for Milk Production of Ettawa Grade Goats

Rahmahyanti, Hesti (2019) Estimation of Repeatability and Most Probable Producing Ability (MPPA) for Milk Production of Ettawa Grade Goats. Sarjana thesis, Universitas Brawijaya.

Abstract

Tujuan dari penelitian ini adalah untuk mengestimasi nilai ripitabilitas kemampuan produksi susu dari kambing Peranakan Etawa dan untuk mengestimasi keunggulan individu untuk sifat produksi susu dari kambing Peranakan Etawa berdasarkan nilai MPPA. Materi yang digunakan adalah 40 ekor induk laktasi dari kambing Peranakan Etawa yang memiliki catatan produksi susu pada laktasi I, II, III dan IV. Metode penelitian yang digunakan adalah studi kasus dan observasi langsung. Sampel diambil menggunakan teknik purposive sampling. Estimasi nilai ripitabilitas menggunakan metode Intraclass correlation dan metode Interclass correlation. Hasil penelitian untuk estimasi nilai ripitabilitas menggunakan metode Intraclass correlation adalah 0,56 ± 0,07 berdasarkan 4 laktasi (laktasi I, II, III dan laktasi IV) dan 0,52 ± 0,09 berdasarkan 3 laktasi (laktasi I, II dan III). Hasil estimasi nilai ripitabilitas menggunakan metode Interclass correlation adalah 0,51 ± 0,09 berdasarkan laktasi I dan II, 0,050 ± 0,13 berdasarkan laktasi I dan III, 0,077 ± 0,12 berdasarkan laktasi I dan IV, 0,13 ± 0,12 berdasarkan laktasi II dan III, 0,16 ± 0,12 berdasarkan laktasi II dan IV, 0,52 ± 0,08 berdasarkan laktasi III dan IV. Nilai Most Probable Producing Ability (MPPA) tertinggi adalah 2,78 pada kambing Peranakan Etawa dengan nomor eartattoo S-99 dan nilai MPPA terendah adalah -1,82 pada kambing peranakan Etawa dengan nomor 120.

English Abstract

The purpose of this research was to estimate the repeatability value for milk production of Ettawa grade goats and to estimate the superiority of individual for milk production of Ettawa grade goat based on MPPA value. Materials used were 40 heads of Ettawa grade goats that have records of milk production in lactation I, II, III and lactation IV. The research method was case study and direct observations. Sample are taken by purposive sampling. Repeatability was estimated using Intraclass correlation method and Interclass correlation method. The research result for repeatability value estimated using Intraclass correlation method was 0.56±0.07 for 4 lactations (lactation I, II, III and lactation IV) and 0.52±0.09 for 3 lactations (lactation I, II and III). The result of repeatability value estimated using Interclass correlation method were 0.51±0.09 based on lactation I and II, 0.050±0.13 based on lactation I and III, 0.077±0.12 based on lactation I and IV, 0.13±0.12 based on lactation II and III, 0.16±0.12 based on lactation II and IV, 0.52±0.08 based on lactation III and IV. The highest positive Most Probable Producing Ability (MPPA) value was 2.78 in Ettawa grade goat number S-99 and the lowest negative MPPA value was -1.82 in Ettawa grade goat number 120.

Item Type: Thesis (Sarjana)
Identification Number: SKR/FAPET/2019/334/051910120
Uncontrolled Keywords: Kambing Peranakan Etawa (PE), Produksi susu, Nilai ripitabilitas dan Most Probable Producing Ability (MPPA)-Ettawa grade goat, Milk production, Repeatability, Most Probable Producing Ability
Subjects: 600 Technology (Applied sciences) > 641 Food and drink > 641.3 Food > 641.37 Dairy and related products > 641.371 7 Goat's milk
Divisions: Fakultas Peternakan > Peternakan
Depositing User: soegeng sugeng
Date Deposited: 02 Oct 2020 01:53
Last Modified: 02 Oct 2020 01:53
URI: http://repository.ub.ac.id/id/eprint/176073
Full text not available from this repository.

Actions (login required)

View Item View Item