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types of the Black Bengal goats. The heritability
The study was conducted to evaluate productive and breeding value of Black Bengal goats were
and reproductive performances of White goat in estimated using REML and BLUP procedure by
comparison to Black ones. Data for this study were VCE and PEST computer programs respectively.
collected on distribution pattern, productive and The average birth weight of the kids was 1123. 80
st
reproductive traits from three areas. White goats ± 56. 00 g. The overall body weight of kids at 1 ,
th
th
th
nd
rd
linearly decreased from east to west part of 2 , 3 , 4 ,5 and 6 months were 3215.01 ±
Bangladesh, but, per cent of Black goats was 173.00, 4565.15 ± 216.10, 5963.80±291.40, 7150
almost similar in study areas. White goats were ± 365.40, 7757.70 ± 370.00. and 8300.00±378.50 g
heavier (p<0.05) than Black goats at 3 and 9- respectively. The overall growth rate of Black
month but, it was very similar (p>0.05) at birth, 6 Bengal goats was 37.84±1.81 g/day. The growth
and 12-month of age. Average live weight at 3 and rate from birth to 3 months and 3-months to 6-
9-month were 4.18, 10.98 kg and 3.85, 10.33 kg months of ages were 48.28+3.25 and 27.20+2.16
for White and Black goats respectively. Age at g/day respectively. The estimated heritability of
puberty (month), age at first kidding (month), post- birth weight, 3 months body weight, 6-months
partum heat period (month) and kidding interval body weight and growth from birth to 3-months,
rd
(month), litter size at 3 parity were higher in from 3-months to 6-months and from birth to 6-
white goats than black Bengal goats and service months were 0.649, 0.559, 0.540, 0.623, 0.545, and
per conception (no.) was similar. Lactation length 0.537 respectively. The estimated breeding values
(month) was longer in White goats (4.79±0.26) were used to rank the animals, which aided to
than in Black goats (2.79±0.11) and White goats make selection decision for furthering the program
gave more milk production (335.00±43.71g/day). targeted to goat improvement at community level.
DM, Fat, SNF and Ash percentage of milk were
slightly higher in White goats than Black goats. 482 MUFTI, M.M.R. (Aqua Breeders Ltd.,
Results indicate that White goats are in no way Panchaghar); AMIN, M.R. & FARUQUE, M.O.
inferior to Black goats. (Dept. of Animal Breeding and Genetics,
Bangladesh Agricultural University, Mymensingh),
481 HOQUE, G.A.; HOSSAIN, M.M.; BHUIYAN, Comparative Efficiency of Different Methods for
A.K.F.H. & AMIN, M.R. (Dept. of Animal Breeding DNA Extraction from Goat Blood. Bang. J. Anim.
and Genetics, Bangladesh Agricultural University, Sci., 2006, 35 (1 & 2), 13-19.
Mymensingh). Productive Performance and
Genetic Status of Black Bengal Goat Produced at The research was conducted to compare the
Farmers level Through Contract Breeding efficiency of different methods for extraction of
Program. Bang. J. Anim. Sci., 2005, 34 (1 & 2), 1- DNA from goat blood. For this purpose 20 blood
9. samples were collected from Black Bengal goats.
Three methods, namely High Salt method (Method
The experiment was carried out using data on 1), Standard Saline Citrate buffer method (Method
Black Bengal goats obtained front a community 2), Phenol-Chloroform extraction method (Method
based breeding program under village conditions. 3) were compared. The quantity of DNA obtained
The traits considered for this study were birth from Method 1, Method 2 and Method 3 were
weight, monthly body weight and growth rate up to 212.50±10.18, 240.00±11.24 and 170.00±10.51
6 months in different sexes, sires, parities and birth µg/ml respectively. The extracted DNA quantity
160