Breeding for the improvement of indigenous chickens of Bangladesh: performance of foundation stock

A crossbreeding experiment between Hilly, a locally adapted chicken type in Bangladesh and Fayoumi, an egg type light chicken breed was carried out to evaluate phenotypic performances and to estimate genetic parameters for body weight and egg production at sexual maturity. Results show the mean hatch weight of Hilly♂ × Fayoumi♀ (H♂×F♀) crosses was 35±0.1 gm. In this study, H♂×F♀ crossbred showed a heavier body weight (1551± 32.0 gm/bird) at 20 weeks in comparison with other indigenous chicken genotypes in Bangladesh. The highest body weight gain was found in 8-10 weeks of age. H♂×F♀ crossbred hens exhibited sexual maturity at an average age of 147.5±1.6 days with an average body weight of 1350± 16.8 gm/bird. The mean weight of eggs at sexual maturity was 33.7±0.5 gm/egg. The estimates of heritability for body weight were ranged from 0.15 to 0.26. We observed a positive genetic correlation between weight at sexual maturity (WSM) and egg weight at sexual maturity (EWSM), meaning that hens with high weight at sexual maturity would produce heavier eggs.Asian J. Med. Biol. Res. June 2018, 4(2): 186-192

Section: Performance Of Hilly♂ × Fayoumi♀ Crossbred Chickens 321 Bcontrasting

confidence: 63%

Genetic and phenotypic parameter estimates for body weight and egg production at sexual maturity in Hilly×Fayoumi crossbred chickens

Das

Gupta

Khan

et al. 2018

“…Significantly (P<0.001) higher dressing percentage was found in NN (68.08) genotype than ND (66.29) and H (64.50) genotypes. Similar result was found in NN (64.58) genotype than ND (60.26) and H (Faruque et al, 2011b). Jaturasitha et al (2008) …”

Section: Carcass Characteristicssupporting

confidence: 78%

“…The average initial body weight of day-old chicks of ND, H and NN were 27.67, 28.65 and 27.89 g, respectively and the difference was significant (P<0.001). Faruque et al (2011b) found that the body weight at hatch for ND, H and NN genotypes was 27.74, 28.00 and 24.96 g, respectively which were more or less similar to the present study. The body weight at hatch for ND, H and NN genotypes was 31.2, 30.5, 31.7 g, respectively under intensive management system which was much higher than the present study (Faruque et al, 2007).…”

Section: Prediction Of Expected Selection Responsesupporting

confidence: 77%

See 1 more Smart Citation

Breeding for the improvement of indigenous chickens of Bangladesh: evaluation of performance of first generation of indigenous chicken

Faruque

Bhuiyan

Ali

et al. 2017

Self Cite

Pure breeding is necessary for the conservation and improvement of indigenous chicken genetic resources. Present research is a part of the long-term selection program being undertaken to evaluate the performance and expected response to selection of first generation (G 1 ) of three indigenous chicken genotypes under intensive management in Bangladesh. A total of 1439-day-old chicks comprising of 3 genotypes namely Naked Neck (NN), Hilly (H) and Non-descript Desi (ND) were hatched for this study. In first generation (G 1 ), selection was practiced on body weight at 8 and 16 weeks of age, on the basis of their breeding value. At 40-week of age, selection will be practiced on the basis of an index comprising the parameters of age at first egg (ASM), body weight (BW), egg production (EP) and egg weight (EW). At 8, 10 and 12 weeks of age, six birds from each genotype were slaughtered to analyze the meat yield traits. Data were analyzed in CRD by General Linear Model Univariate Procedure. Significantly (P<0.001) highest body weight of day-old chicks (28.65±0.12 g) and daily weight gain in all stages were found in H genotype than other two genotypes. Although there was significant (P<0.001) difference in live weight between ages at slaughter, dressing percent (65.87 -66.89 %) of different ages was similar (P>0.05) but was affected (P<0.001) by genotype. Body weight at 8 weeks of age was expected to improve by 58.98 vs. 11.50; 81.56 vs. 40.91 and 53.81 vs. 15.82 g; respectively for ND, H and NN males and females. In terms of body weight and growth traits H genotype was superior and NN genotype was for dressing percentage. As a result of selection; chick weight, body weight at all stages increased and ASM reduced in first generation than foundation stock. These findings give an impetus for continuing the pure breeding research for more generations.

“…(Faruque et al, 2011). Iqbal et al (2009) found the average live weight 1.72±0.04 kg and 1.25±0.02 kg for cock and hen respectively, which differed significantly (p<0.01) between the two sexes.…”

Section: Prediction Of Expected Selection Responsementioning

confidence: 99%

Breeding for the improvement of indigenous chickens in Bangladesh: performance of second generation

Faruque

Bhuiyan

Ali

et al. 2017

Self Cite

Abstract:The improvement of productivity of indigenous chicken is a long desire in the country. Present research is a part of the long-term selection program being undertaken to evaluate the carcass characteristics and expected response to selection of second generation (G 2 ) of indigenous chicken under intensive management in Bangladesh. A total of 1643-day-old chicks comprising of 3 types of chicken namely Naked Neck (NN), Hilly (H) and Non-descript Desi (ND) were hatched in a two batches for this study. In second generation (G 2 ), selection was practiced at 3 (three) stages of birds life, firstly and secondly at 8 and at 16 weeks of age, selection was performed on the basis of breeding value for 8 and 16 week body weight. Thirdly, at 40-week of age, on the basis of an index comprising the parameters of age at sexual maturity (ASM), body weight (BW), egg production (EP) and egg weight (EW). Improvement target of egg weight was to increase by 1g and improvement target of egg production rate was to increase by 2 % per generation. The main target was the mean body weight in H, ND and NN chicken has to be gone up from the initial eight-week body weight of 375, 342 and 331g to 500 g at eight weeks of age. At 8, 10 and 12 weeks of age, six birds from each genotype were slaughtered to analyze the meat yield traits. Slaughter data were analyzed in a 3 (genotype) × 3 (slaughter age) factorial arrangement in CRD by General Linear Model (GLM) Univariate Procedure in SPSS Computer Program. Genotype and slaughter age had significant effect (p<0.001) on dressing percentage. Body weight at 8 weeks of age was expected to improve by 51.21 vs. 24.03; 37.74 vs. 15.47 and 26.26 vs. 9.65g; respectively for ND, H and NN males and females. In terms of body weight H genotype was superior and NN genotype was for dressing percentage. As a result of selection; EP, BW increased and ASM reduced in second generation than that of the foundation stock.