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Background: Reproductive management practices play crucial roles to maximize the reproductive performance of cows, and thus contribute to farm profitability. We aimed to assess the reproductive management of cows currently practiced in the dairy farms in an urban farming system. Methods: A total of 62 dairy farms were randomly selected considering all size of farms such as small (1-5 cattle), medium (6-20 cattle) and large farms (> 20 cattle) from selected areas of Dhaka city in Bangladesh. The reproductive managementrelated parameters viz. estrus detection, breeding method, pregnancy diagnosis, dry cow and parturition management, vaccination and treatment of reproductive problems etc. were obtained in a pre-defined questionnaire during the farm visit. Results: The visual observation method was only used (100.0%; 62/62) for estrus detection irrespective of size of the farms; while farmers observed cows for estrus 4-5 times a day, but only for 20-60 seconds each time. Regardless of farm size, 89.0% (55/62) farms used artificial insemination (AI) for breeding the cows. Intriguingly, all farms (100.0%) routinely checked the cows for pregnancy at 35-40 days post-breeding using rectal palpation technique by registered veterinarian. However, only 6.5% (4/62) farms practiced dry cow management. Notably, all farms (100.0%) provided nutritional supplements (Vit D, Ca and P) during late gestation. However, proper hygiene and cleanliness during parturition was not practiced in 77.4% (48/62) farms; even though 96.7% (60/62) farms treated cows by registered veterinarian for parturition-related problems. Conclusions: While farmers used AI service for breeding and timely check their cows for pregnancy; however, they need to increase observation time (30 minutes/ observation, twice in a day: early morning and early night) for estrus detection, consider dry cow management and ensure hygienic parturition for maximizing production.
Background: Reproductive management practices play crucial roles to maximize the reproductive performance of cows, and thus contribute to farm profitability. We aimed to assess the reproductive management of cows currently practiced in the dairy farms in an urban farming system. Methods: A total of 62 dairy farms were randomly selected considering all size of farms such as small (1-5 cattle), medium (6-20 cattle) and large farms (> 20 cattle) from selected areas of Dhaka city in Bangladesh. The reproductive managementrelated parameters viz. estrus detection, breeding method, pregnancy diagnosis, dry cow and parturition management, vaccination and treatment of reproductive problems etc. were obtained in a pre-defined questionnaire during the farm visit. Results: The visual observation method was only used (100.0%; 62/62) for estrus detection irrespective of size of the farms; while farmers observed cows for estrus 4-5 times a day, but only for 20-60 seconds each time. Regardless of farm size, 89.0% (55/62) farms used artificial insemination (AI) for breeding the cows. Intriguingly, all farms (100.0%) routinely checked the cows for pregnancy at 35-40 days post-breeding using rectal palpation technique by registered veterinarian. However, only 6.5% (4/62) farms practiced dry cow management. Notably, all farms (100.0%) provided nutritional supplements (Vit D, Ca and P) during late gestation. However, proper hygiene and cleanliness during parturition was not practiced in 77.4% (48/62) farms; even though 96.7% (60/62) farms treated cows by registered veterinarian for parturition-related problems. Conclusions: While farmers used AI service for breeding and timely check their cows for pregnancy; however, they need to increase observation time (30 minutes/ observation, twice in a day: early morning and early night) for estrus detection, consider dry cow management and ensure hygienic parturition for maximizing production.
The study was conducted at four villages of Sadar Upazila of Mymensingh district to study the management system and identify the probable causes of genetic draw off of indigenous cattle. The data were collected through personal interview of 151 randomly selected farmers by using a pre-tested structured interview schedule during the period from January to April, 2012. It was observed that the cattle per household was 2.98 in number. Among the farmers, 48% of them provided soft (soiled floor with bamboo fence), 48% semi-concrete (concrete floor with half of concrete wall and half of bamboo fence), 3% of concrete house (concrete floor and wall) and other 1% had no house for their cattle. About 80%, 17% and 3% farmers reared cattle by semi-intensive, intensive and extensive or free grazing system, respectively. More than 84% of the farmers managed feed from both sources (own and purchase) for their cattle even though 15% fully depended on purchasing feed from local market, but a little (1%) of them from their own sources. Among the cow genotypes, more than half (61.16%) was of the indigenous which was significantly (p<0.01) higher than the crossbreds (38.84%). It was observed that semen of Holstein were used significantly (p<0.05) higher than that of the semen of local or any other crossbred bulls. Most of the farmers (76%) inseminated their cows artificially rather than naturally (19%) and merely of 5% did both. A small number of farmers (11%) followed the existing breeding policy while maximum of them (86%) ignored or overlooked it. The main cause of genetic erosion of indigenous cattle in the study areas, might be due to lack of adherance to breeding policy and practice of insiariminate crosses with exotoc breeds. Nevertheless, lack of farmers awareness, changes in cattle management system along with agricultural practices might have also contributed to this issue as well. It needs to develop sustainable guidelines by the relevant authorities for proper breeding practices to minimize the uncontrolled and misdirected crossing between exotic and local cattle for conserving and protecting the valuable indigenous cattle in the region. DOI: http://dx.doi.org/10.3329/bjas.v42i1.15769 Bang. J. Anim. Sci. 2013. 42 (1): 23-28
The present study was carried out to know the present status including general information, feeding, breeding, housing, milking etc. and costs and returns of small dairy farms, to compare the productive and reproductive performance of crossbred and indigenous cows and to make recommendation for development of small scales dairy farming. With this view, the empirical data were collected by using pretested questionnaire. The study was conducted at preselected 30 dairy farms in Chittagong suburban area, and four months-long survey was diminished on thirty small dairy owners. It appeared that 57% farm owners belong to business class and remaining 43% to different categories. Fifty three percent took dairying as a side-business whereas only 47% took it as a main business enterprise. Major percentage of farm owner education level was Higher Secondary (60%). The dry period, calving interval, services per conception and day's open of crossbred was 98.5 419 and indigenous was 140 428 1.95 137 respectively. The study showed that there were significant (P<0.01) differences within the dry period, services per conception, calving to first service, highest and lowest milk production and lactation period of crossbred and indigenous dairy cows. The study also showed non-significant differences within calving interval for crossbred and indigenous. In case of small dairy farming, the farms were facing a lot of problems such as scarcity of feeds and fodder, high price of concentrate and lack of technical knowledge. This type of dairy farming will be a potential sector for economic development of Bangladesh.
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