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All Journal Jurnal Ilmu Ternak Veteriner WARTAZOA Indonesian Bulletin of Animal and Veterinary Sciences
Ismeth Inounu
Indonesian Center for Animal Research and Development (ICARD)
Veterinary

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Growth characterisics of Garut sheep and its crossbred Inounu, Ismeth; Mauluddin, D; ., Subandriyo
Indonesian Journal of Animal and Veterinary Sciences Vol 13, No 1 (2008)
Publisher : Indonesian Animal Sciences Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (139.781 KB) | DOI: 10.14334/jitv.v13i1.590

Abstract

Based on previous study it is agreed that Von Bertalanffy model is the best fitted growth curve model with highest acuracy compared to Gompertz or Logistic models. For that reason in this study Von Bertalanffy model was used to study growth characterisics of Garut sheep and its crossbred. Relative superiority of crossbred sheep compared to Garut sheep in mature size parameter (A) based on Von Bertalanffy model were respectively: M. charolain X Garut = 19.26%; Hair sheep X Garut = 8.08% and MG X HG or HG  X MG = 4.22%. While relative superiority of crossbreds compared to Garut in rate of maturing (k) were respectively: MG = -4.91%; HG = -1.34% dan MHG/HMG = 6.05%. Based on its relative superiority mature size parameter (A) and rate of maturing (k) MHG sheep had prospect for more developed due to its performance in term of high mature body weight, faster in reaching standard of slaughter body weight (35 kg) at 440 days, and it is considere as more eficient in biological and economicaly. Key words: Growth Characteristics, Garut Sheep and Crossbreds, Relative Superiority
Lamb production of prolific sheep Inounu, Ismeth; Tiesnamurti, Bess; ., Subandriyo; Martojo, Harimurti
Indonesian Journal of Animal and Veterinary Sciences Vol 4, No 3 (1999)
Publisher : Indonesian Animal Sciences Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (191.625 KB) | DOI: 10.14334/jitv.v4i3.152

Abstract

The research was aimed to study factors that affected litter size (JAS), lamb survival (DHA) and litter weight at birth (BL) and at weaning (BS) on prolific ewes. Production records during the year of 1981-1993 were used in this study (1,437 records). Ewe genotypes (G), management levels (M), ewe parity (P) were the fixed effect and ewe gestation gain (PKB) was a covariable that included in the model. Analysis of variance for unbalanced data with general linear model procedure were used. Mean JAS was 1.77. Sources of variation that affected JAS were G, M, P-M interaction, and PKB. One copy of FecF gene increased the number of lambs born by 0.8. Changing toward a better management levels was followed by an increase of JAS. An increased of one kilogram PKB was also followed by an increase of 0.04 litter size born. The mean of BL was 3.43 kg and the sources of variation that affected BL were G, M and P-M interaction. At all management levels, primipara ewes had lower litter size at birth and litter birth weight than the pluripara ewes. Mean DHA found was 73.93%, it was affected by G-M interaction, P and PKB. First parity ewes has 11% lower of DHA than second parity ewes. An increase of 1 kg PKB was followed by an increase of 2.3% of DHA. Sources of variation that affected BS were G-M interaction, P and PKB. Mean BS in this study was 13.12 kg.   Key words : Prolific sheep, lamb production
Co-Authors A Priyanti Atien Priyanti B Tiesnamurti Bambang Risdiono Prawirodiputra Bess Tiesnamurti D Mauluddin D. Ambarawati E Handiwirawan E. Martindah Erfan . HARIMURTI MARTOJO Kusuma Diwyanto La Ode Nafiu N Hidayati NYAK ILHAM Pius P Ketaren R A Saptati R Noor R.H. Mulyono R.R Noor Subandriyo . W Kurniawan