Abstract:A nucleus-breeding flock of selected Brown Bengal goat was established in the Bangladesh Livestock Research Institute (BLRI), Regional Station, Naikhongchari, Bandarban, with the objective of characterization, conservation and improvement of the breed. A total of 69 does of different generations (Foundation = 07, Generation one = 32, Generation two = 23 and Generation three = 07.) and 07 bucks (All were first generation) were used to study the genetic parameters of Brown Bengal goat on productive and reproductive traits. The studied Animals were bred naturally. Goats were reared under semi-intensive management system in which goats were browsing in nature and allowed to graze in field as well as mounting in hills. All goats were housed in a plastic made floor house and allowed to graze 6-8 hours in a day and concentrate was offered twice daily during morning and evening at the rate of 1% of their body weight per day. The adult body weight of hilly goat was 20.95 kg. The phenotypic characteristics like the face, horn, ear and udder length were 15.56, 7.18, 12.19 and 12.67 cm respectively. On the other hand the hearth girth, front leg, hind leg and body length were 61.51, 46.8, 49.48 and 55.24 cm respectively. The gestation length, kidding to first heat, kidding to conception and kidding interval were 148.52 ± 1.06, 33.48 ± 2.85, 33.40 ± 1.98 and 176.86 ± 1.98 days, respectively. According to parity the GL, AFH, KC and KI were not followed trends up to 3 rd parity but kid birth weight was increasing trends with increasing parity up to fifth. The birth weight of male kid (1.25 ± 0.25 kg) was higher than that of female kid (1.13± 0.27 kg). The highest birth weight (1.24±0.02 kg) was found in single birth. According to litter size the birth weight of single kid (1.24 ± 0.01 kg) stood first followed by twine (1.20 ± 0.01), triplet (1.1±0.03 kg) and quadruplet kids (0.93±0.08 kg). . The productive and reproductive performances of brown Bengal goat were not affected by parity. Birth weights of kids were significantly varied with birth type.
Abstract:The experiment was conducted to measure the feasibility of partial replacement of skim milk with different levels of coconut milk in the manufacture of dahi. Skimmed milk was replaced by 0, 5, 10, 15 and 20% of coconut milk to produce Dahi designated as A, B, C, D and E. All the samples were analyzed for organoleptic, chemical and microbiological qualities. Replacement of skim milk up to 10% with coconut milk increased total organoleptic score but score decreased when level of coconut milk was 15% and 20%. Dahi manufactured by incorporating 5% coconut milk gave superior results for body and consistency and also for colour and texture. In all levels of replacement increased fat, carbohydrates, ash and total solids were obtained, while protein and pH content were significantly decreased in Dahi samples. Total bacterial count was higher in the dahi manufactured by replacement of coconut milk than control. It could be concluded that 5 and 10% replacement of skim milk with coconut milk for the manufacturing of Dahi was acceptable and reduced the production cost and they were better in compare to others, according to organoleptic, chemical and microbiological analysis. The work showed the potential of coconut as an alternative source of skim milk in dahi manufacturing with improved nutritional value and consumer acceptability.
This study was carried out to reveal the animal agriculture status of the dairy farmers. The survey was conducted by random sampling on 100 dairy farmers (50 from Shahzadpur upazila and 50 from Bera upazila). A pretested questionnaire was developed and multiplied for data collection. The data collected were brought to the headquarters of Bangladesh Livestock Research Institute, Savar, Dhaka for analysis. After analysis it was found that the education level of the farmers of Shahzadpur upazila was better than that of Bera upazila, where 74% farmers of Shahzadpur and 66% farmers of Bera were engaged in agriculture. The average annual income and expense of the farmers of Shahzadpur were greater than that of Bera. The average total land, cultivable land and total livestock population per farmer were also higher in Shahzadpur upazila than in Bera upazila. In case of diversity of different genotypes of dairy cattle, except Jersey cross the number of Pabna, Sindhi cross, Shahiwal cross and H-F cross was much greater in Shahzadpur than in Bera. Most of the farmers purchase concentrate feeds and produce roughages in both the locations, where feed scarcity was seen mostly during rainy season. About 56% farmers treat their cattle with the help of veterinary surgeon and 44% farmers provide treatment with the help of veterinary field assistant in Shahzadpur, while the scenery was almost opposite in Bera. About 90% farmers of Bera upazila and 95% of Shahzadpur upazila used anthelminitics to deworm their animals. Most of the farmers in both sites dewormed their cattle every three months. About 78% farmers of Shahzadpur and 76% of Bera vaccinated their animals. About 85% farmers of Shahzadpur had been found to properly dispose the carcasses, where as only 48% farmers had been found to do it in Bera. Almost all the farmers washed their hands, equipment and udders of the cows with clean water before milking in both Shahzadpur and Bera. Approximately, all the farmers of both the locations milked their cows twice a day, did not perform milk testing and sold the raw fresh milk to the cooperative societies. All farmers used cow dung as fuel. Overall, it was revealed that Shahzadpur upazila was more advanced than Bera upazila in almost all aspects of animal agriculture.Asian J. Med. Biol. Res. March 2016, 2(1): 62-66
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