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Articles by M.R. Gofur
Total Records ( 4 ) for M.R. Gofur
  S.K. Rabidas , M.R. Gofur , N.S. Juyena and M.G.S. Alam
  Controlled induction of parturition is a very useful tool for managing calving and post-parturition management and successful parturition in dairy farms. In the present study, 12 pregnant buffaloes were treated with dexamethasone in combination with cloprostenol for controlled induction of parturition in Lal Teer Livestock Research and Development Farm, Mymensingh, Bangladesh. The buffaloes were divided into two groups according to their gestation length. The gestation length of buffaloes of group-A was up to 330 days (305-330) and group-B was more than 330 days (331-345). Buffaloes were injected with 6 mL Roxadex and 2 mL Ovuprost intra-muscularly (Roxadex®, Nuvista Pharma Limited, Bangladesh containing 5 mg Dexamethasone sodium phosphate mL-1 and Ovuprost®, Bayer Animal Health, New Zealand containing 250 μg Cloprostenol sodium mL-1). Induction of parturition was occurred in all buffaloes in an average time 29.17±3.06 h after the treatment. The duration between treatment and the induction of parturition showed a significant difference (p<0.01) between two groups. Retention of placenta was recorded in 33.33% of animals and the occurrence of dystocia was 25.00%. The viability of newborn (calves) was 91.67% as compared with dead calves 8.33%. It was concluded that dexamethasone in combination with cloprostenol can be used successfully for induction of parturition in buffaloes of Bangladesh although there was a moderate incidence of dystocia and retention of placenta, which needs to be minimized by careful follow up, critical observation and prompt assistance. Further therapeutic trials are needed to minimize the incidence of retention of placenta and dystocia.
  M.A. Sayed , M.R. Gofur , A. Khair and M.A. Awal
  Arsenic is one of the most sensitive environmental issues in Bangladesh; even it is a major health concern in Asia. Spirulina and vitamin E have been considered as a potential therapeutic supplement due to its ability to minimize several element induced toxicities in various species including man. The study was performed to evaluate the role of spirulina (Spirulina platensis) and vitamin E in prevention of arsenic toxicity in different groups (T0-4, n = 60) of Long-Evans rats. T0 was control group, T1 was treated with sodium arsenite, T2 was treated with sodium arsenite plus spirulina, T3 was treated with sodium arsenite plus vitamin E and T4 was treated with sodium arsenite plus vitamin E plus spirulina daily for 63 days. Sodium arsenite was at 4 mg kg–1 b.wt., spirulina was at 1 g kg–1 feed and vitamin E was at 200 mg kg–1 feed. Samples were collected on day 21, 42 and 63. Arsenic was detected from tissue samples by Hydride Generation Atomic Absorption Spectrophotometer (HGAAS). Sodium arsenite feeding in rats caused chronic arsenic toxicity and the arsenic content in tissues (blood, lung, liver and kidney) of the exposed rats were significantly higher than control rats. Spirulina and vitamin E treatments significantly lowered the arsenic content in tissues. Arsenic caused hepatic and renal dysfunction but spirulina and vitamin E improved the hepatic and renal functions. Spirulina feeding was more effective than vitamin E and their combined treatment was more effective compare to their single treatment. The study demonstrates the role of spirulina and vitamin E in the reduction of toxicity of arsenic.
  R. Khaton , M.J.U. Sarder and M.R. Gofur
  Genotype has a significant effect on biological efficiencies of dairy cows. Environmental changes affect differently between different genotypes of animals. A biometrical study was conducted on reproductive organs of dairy cows (n = 100) of different genotypes (Local, Local×Holstein Friesian, Local×Jersey and Local×Sahiwal) available in Bangladesh. Reproductive tracts of cows were collected immediately after slaughter from different slaughter houses in Rajshahi, Bangladesh. The comparison of morphometric values of most of the parameters of reproductive tract observed in different genotypic cows showed significant differences (p<0.05). Local×Holstein Friesian had significantly higher values (p<0.05) on the most of parameters of genitalia measured, followed by the Local×Jersey, Local×Sahiwal and Local. Local×Holstein Friesian had the longest uterine horn (29.20±1.65 cm for right and 29.87±1.75 cm for left), uterine body (3.42±0.20 cm length and 2.83±1.40 cm width), cervix (5.64±0.24 cm length and 4.89±0.23 cm width) and vagina (24.66±0.64 cm length and 6.08±0.36 cm width). The right ovary was wider in diameter, larger in length and heavier in weight as compared to left one in all genotypes. This confirms the fact of right ovary being more active than the left one. Moreover, the biometry of ovary and tubular parts of genitalia in Local×Holstein Friesian and Local×Jersey cows are suggestive for selection of crossbred dairy cows to get maximum benefits from crossbreeding in respect of productive and reproductive performance and also for genetic improvement.
  M.N. Haque , M.R. Gofur , K.M. Asaduzzaman and M.M.U. Bhuiyan
  The study was designed to determine the effects of breed, age, parity, feeding practice, Body Condition Score (BCS), timing of insemination, postpartum insemination interval and milk yield on first service pregnancy rates in cows (n = 308). The demographic factors were recorded by interviewing the farmers. All cows were examined for pregnancy diagnosis by rectal palpation of genital tract at 60-80 days post Artificial Insemination (AI). The pregnancy rate of different groups was compared and analyzed by Z test using SPSS software version 17. The overall pregnancy rate in cows was 52.6%. Though the age and parity of cows and milk yield did not affect significantly on pregnancy rate, the pregnancy rate was the highest in cows of 3-5 years of age (56.1%), in cows of parity 1-2 (57.4%) and in moderate yielding (2-5 liters milk/day) cows (62.1%). Balanced feeding and timing of insemination had a profound impact on the pregnancy rate of cows. The pregnancy rate in cows fed with combination of green grass, straw and concentrate was significantly (p<0.05) higher (63.5%) than cows fed only straw (38.5%). The pregnancy rate in cows with BCS 3-4 was significantly (p<0.05) higher (58.0%) than that of BCS 1.5-2 cows (35.0%). The pregnancy rate in cows inseminated at 6-12 h after the start of standing estrus was significantly (p<0.05) higher (58.8%) than those inseminated 13-24 h after start of standing estrus (40.4%). Cows with good BCS and AI at 6-12 h after the start of standing estrus are the best choice of selection for getting the best result in the first service pregnancy rate in cows.
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