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All Journal Jurnal Ilmu Ternak Jurnal Ilmu Ternak dan Veteriner WARTAZOA Indonesian Bulletin of Animal and Veterinary Sciences Farmers: Journal of Community Services Jurnal Sumber Daya Hewan
Heni Indrijani
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Social Sciences Veterinary Other

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Journal : WARTAZOA Indonesian Bulletin of Animal and Veterinary Sciences

 1 
Development of Genetic Evaluation on Dairy Cattle Based on Milk Production Indrijani, Heni
Indonesian Bulletin of Animal and Veterinary Sciences Vol 19, No 1 (2009)
Publisher : Indonesian Animal Sciences Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (95.786 KB) | DOI: 10.14334/wartazoa.v19i1.928

Abstract

This paper is aimed to review the development of genetic evaluation on dairy cattle based on milk production, including recording system, mathematical model of the milk curve, genetic parameters, and genetic model for predicting breeding values. Test day is the best system to record milk yield as it can be used to predict lactation curve and genetic parameters. Ali-Schaeffer curve was the best curve to estimate milk yield (r > 0.99). Fixed and random regression models have been widely used to give more advantages in breeding program. The models are able to analyse the records measured at different stage of lactation, and  to predict a total breeding value from incomplete and part records. For practically used, fixed regression model (MRT) is suggested because it does not have numerical problem and is easier to be used.   Key words: Dairy cattle, breeding value, test day, random regression, fixed regression
Development of Genetic Evaluation on Dairy Cattle Based on Milk Production Heni Indrijani
WARTAZOA, Indonesian Bulletin of Animal and Veterinary Sciences Vol 19, No 1 (2009): MARCH 2009
Publisher : Indonesian Center for Animal Research and Development

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (95.786 KB) | DOI: 10.14334/wartazoa.v19i1.928

Abstract

This paper is aimed to review the development of genetic evaluation on dairy cattle based on milk production, including recording system, mathematical model of the milk curve, genetic parameters, and genetic model for predicting breeding values. Test day is the best system to record milk yield as it can be used to predict lactation curve and genetic parameters. Ali-Schaeffer curve was the best curve to estimate milk yield (r > 0.99). Fixed and random regression models have been widely used to give more advantages in breeding program. The models are able to analyse the records measured at different stage of lactation, and  to predict a total breeding value from incomplete and part records. For practically used, fixed regression model (MRT) is suggested because it does not have numerical problem and is easier to be used.   Key words: Dairy cattle, breeding value, test day, random regression, fixed regression
Co-Authors Aldyansah Putra Utama An An Nurmeidiansyah Andry Pratama Asep Anang Bambang Kholiq Mutaqin Denie Heriyadi Desyandri Desyandri Didin S Tasripin Didin Tasripin Endang Yuni Setyowati Johar Arifin Mansyur Mansyur Maya Fitriati Muhammad Rifqi Ismiraj Sri Bandiati Komar Sulasmi - Tuti Widjastuti Unang Yunasaf