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All Journal Jurnal Ilmu Ternak Veteriner Journal of the Indonesian Tropical Animal Agriculture
Y.C. Raharjo
Indonesian Research Institute for Animal Production, Jl. Raya Ciawi- Bogor, West Java
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Veterinary

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Improving productivity of Rex, Satin and Reza rabbits through selection Brahmantiyo, Bram; Raharjo, Y.C.
Indonesian Journal of Animal and Veterinary Sciences Vol 16, No 4 (2011)
Publisher : Indonesian Animal Sciences Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (117.099 KB) | DOI: 10.14334/jitv.v16i4.619

Abstract

Selection based on weaning weight in Rex, Satin rabbits and their crosses was done to improve its productivity. Data from the base population (P0), selected population (G0) and an offspring of selected population (F1) were used to estimate heritability using nested analysis method (nested) and best linear unbiased prediction (BLUP). The value of heritability estimated of birth weight, weaning weight, 12 weeks body weight and 16 weeks body weight of Rex were 0.74±0.09, 0.93±0.05, 0.81±0.09 and 0.89±0.06, Satin were 0.96, 0.82±0.22, 0.93±0.40 and 0.97 and Reza were 0.96±0.27, 0.98, 0.86±0.40 dan 0.78, respectively. Increase in weaning weight on selected Rex, Satin rabbits and their corsses were 22.77 g (3.66%), 6.83 g (1.11%) and 65.29 g (10.67%). Key Words: Selection, Rabbit, Heritability, Weaning Weight
THE EFFECT OF RESTRICTED FEEDING AND DIFFERENT OF SLAUGHTERING AGE ON PRODUCTION OF REX RABBIT PELT Yurniati, Y.; Raharjo, Y.C.; Kusmajadi, S.
Journal of the Indonesian Tropical Animal Agriculture Vol 35, No 3 (2010): (September)
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.35.3.192-196

Abstract

The purpose of this research is to study the interaction between slaughter age and restricted feed, aswell as the influence of each factor on the production of rex rabbits pelt. Randomized Block Designwith Factorial was used in this experiment with the first factor was 3 levels of restricted feedingtreatment where the amount of feed as follow: P1= 100 % from the total feed requirement, P2 = 80%from total feed requirement and P3 = 60% from the total feed requirement. Feed was given in the amountof rabbits requirement, in which 100% of the total requirement was calculated based on body weight(6.7% of body weight in dry matter basis), and second factor was 3 levels of slaughter age (U1= 120 d,U2= 150 d, U3= 180 d) and each treatment was repeated 6 times. The data were analyzed by Anova,and analyzing between the treatments used Contrast Orthogonal. The variable measured were peltproduction (weight pelt, width pelt, thickness dermis and epidermis) of Rex rabbit. There was aninteraction betwen slaughtered age and the amount of feed given to Rex rabbits. Feeding 80% from thetotal feed requirement and the slaughtered age at 150 d were the most efficient in producing pelt of Rexrabbits, with weight 261.0 ± 30.33 g, width 928.0 ± 75.5 cm2, and epidermal thickness 32.50 ± 1.1μ,and dermis 2685.50 ± 15.0 μ.
Co-Authors Bram Brahmantiyo S. Kusmajadi Y. Yurniati