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Articles by D. Maharani
Total Records ( 2 ) for D. Maharani
  Sri- Sudaryati , J.H.P. Sidadolog , Wihandoyo , W.T. Artama and D. Maharani
  Insulin-like growth factor binding protein 2 regulates a broad spectrum of biological activities involved in growth, development and differentiation. The current study was designed to investigate the associations of IGFBP2 gene polymorphisms with the variance components and genetic parameters of four weekly intervals of growth rate (0-4, 4-8, 8-12 weeks) of the Kampung chicken that were evaluated with classical models of quantitative genetics. Thirty two females and 16 males Kampung chicken were genotyped with IGFBP2 gene using PCR-RFLP method. Retrieved 3 genotype (CC, CT and TT) and 2 alleles (C and T). The influence of average effect of the C allele was greater than T allele on a 4-8 weeks intervals of growth rate, meanwhile for the males turn into 0-4 and 8-12 weeks interval growth rate. Ratio component additive and dominant deviation to each genotype is always equal for each interval growth rate. Variance component from heterozygote nearly zero when frequency of homozygote nearly equal and ratio variance dominance were opposite to allele frequency. Narrow-sense heritability based on genetic variance component of 0-4, 4-8 and 8-12 weeks interval growth rate for female were 0.01, 0.47 and 0.87 while for male chicken were 0.94, 0.07 and 0.12, respectively. It was concluded that IGFBP 2 gene association with growth rate on 4-8 and 8-12 weeks on females but in males only effect on growth rate on 0-4 weeks.
  D.T. Widayati , S. Bintara , I. Natawihardja and D. Maharani
  Background and Objective: Repeat breeding is a major problem in beef cows. The objective of the present study was to determine the blood biochemical levels in repeat breeder and fertile Ongole cross breed cows. Materials and Methods: This study compared the blood biochemical profiles from 30 repeat breeders and 30 fertile Ongole cross breed cows. Plasma glucose, total cholesterol, total protein and urea nitrogen concentrations were examined in repeat breeder cows and compared with those of fertile cows. Blood samples were collected from the caudal vein into anticoagulant-coated tubes. Cells were removed from plasma by centrifugation and blood glucose, total cholesterol and urea nitrogen concentrations were measured using commercially available kits; a non-commercial kit was used to determine total protein content. Results: Significantly different blood profiles between repeat breeder and fertile cows were reported. Specifically, repeat breeder cows had lower levels of glucose, total cholesterol and total protein, but higher levels of urea nitrogen than fertile cows. Conclusion: Finally, a low level of total protein, total cholesterol and glucose, accompanied by a high level of urea nitrogen, may cause reproductive problems in repeat breeders. Additionally, present findings indicated that biochemical blood profiling could be used as a diagnostic tool for repeat breeding.
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