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R.R Noor

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Author-ID : 331557

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Veterinary

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Relationship of molting trait and egg production on crossbred Peking and Alabio ducks Triana Susanti; R.R Noor; P.S Hardjosworo; L.H Prasetyo
Jurnal Ilmu Ternak dan Veteriner Vol 17, No 2 (2012): JUNE 2012
Publisher : Indonesian Center for Animal Research and Development (ICARD)

Selection program through 6 months egg production record as criterion of selection can improve number of egg in a year. However the selected population has still showed molting which is influenced the cessation of egg production, so that its production has not optimal yet. The research has conducted to further learn about the relationship between molting and egg production. This study used 90 females AP ducks (the crossbred of Alabio ♂ and Peking ♀) and 90 females PA ducks (the crossbred of Peking ♂ and Alabio ♀). Observed variables were onset of molting, the length of molting periode and the egg production for 48 weeks. The collected data were analyzed by analysis of variance, correlation and regression. The results showed that based on the starting time of molting the ducks can be categorized into two group i.e (a) molting duck group and (b) non-molting duck group. There were 63 PA ducks characterized non-molting and 21 molting, and there were 42 non-molting and 45 molting in AP ducks. The egg production of these two groups was significantly different (P < 0.01). Since the molting was negatively correlated to the 48 weeks egg production (r = -0.896 for PA and -0.553 for AP), then this trait can be used as the selection criterion for egg production.The linear regression equation for PA of 48 weeks egg production = 80.7-0.369 molting duration, and for AP of 48 weeks egg production = 84 - 0.299 molting duration. Key Words: Molting, Egg Production, Duck

Carcass and physical meat characteristics of thin tail sheep (TTS) based on calpastatin gene (CAST) (Locus intron 5 – exon 6) genotypes variation Muhammad Ihsan Andi Dagong; R Herman; C Sumantri; R.R Noor; M Yamin
Jurnal Ilmu Ternak dan Veteriner Vol 17, No 1 (2012): MARCH 2012
Publisher : Indonesian Center for Animal Research and Development (ICARD)

The quality of sheep carcass is mostly determined by the total lean meat production, meat distribution on the carcass and the quality of meat. Calpastatin gene (CAST) is known to have an association with carcass and meat quality traits. The objective of this research was to identify the association between CAST polymorphisms and carcass characteristics in Thin Tail Sheep (TTS). Thirty three heads of sheep representing three genotypes of CAST (CAST-11, CAST-12 and CAST-22) were identified for carcass and meat characterisation. There was no significant difference between CAST polymorphisms with meat tenderness, pH, water holding capacity and cooking loss, neither with carcass weight and dressing percentage among genotypes. Shoulder proportion of CAST-11 genotype was larger than that of CAST-12 or CAST-22, but the lean meat proportion of CAST-22 genotype in shoulder, rack and loin were higher than those of CAST-11 but not different from CAST-12. The fat percentage of CAST-11 was the highest among the genotypes. CAST-22 genotype has higher lean meat percentage than the CAST-11. Variation in CAST gene could be used as marker assisted selection in sheep for higher lean meat proportion. Key Words: Calpastatin, Polymorphisms, Carcass Characteristics, Meat Quality, Thin Tail Sheep

Co-Authors Bambang Ngadji Utomo C Sumantri C Sumantri C. Sumantri D Mauluddin E.D Gunardi Eko Handiwirawan Gurnadi E I Inounu I Supriatna Ismeth Inounu Ismeth Inounu L.H Prasetyo M Yamin Muhammad Ihsan Andi Dagong Nena Hilmia P.S Hardjosworo R Herman R Priyanto R. Priyanto S Sukmawati Subandriyo . Triana Susanti Triana Susanti

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Journal : Jurnal Ilmu Ternak Veteriner