• Asian-Australasian Journal of Animal Sciences
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• v.8 no.1
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• pp.17-22
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• 1995

In this study an attempt was made to evaluate the economics of dairy farming in selected areas of Bangladesh. Data from 20 randomly selected farms were collected by survey method. Results show that cross-bred cows were more in number (2.55) in those farms than that of local cows (0.65). The number of cross-bred cows increased as the farm sizes increased. The production of milk per cross-bred cow was higher (5.66 litres) than the local ones (2.23 litres). Highest (5.74 litres) milk yield per cross-bred cow was recorded in large farms. The average lactation period for crossbred cows was higher (304 days) than the local cows (210 days). In production cost of farms, concentrates took the highest share (35.19%) followed by labour charges (23.64%). The production cost and gross returns for mini dairy farms were higher in large farms (TK. 183,005 and TK. 187,544, respectively), compared to medium and small farms. The benefit-cost ratio of all farms was 1 : 1.03, indicating that mini dairy farming is economically profitable. In addition, each farm created an annual employment opportunity of 649.70 man-days which was met by both male and female labourers. The small farms employed more female family labourers while the large farms depended more on hired labourers. The expansion of dairy farming with cross-bred cows is suggested for accelerating income and employment opportunities in rural Bangladesh.

• Parasites, Hosts and Diseases
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• v.47 no.4
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• pp.417-420
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• 2009

Neospora caninum is an important cause of abortion in dairy cattle worldwide. Dog is the definitive host for N. caninum and can infect dairy cattle. The aim of this study is to determine the prevalence of Neospora oocysts in feces of dogs from dairy farms. A total of 174 fecal samples was collected from 89 farm dogs and 85 household dogs during 2006 and 2008. Fecal samples of dogs were microscopically examined for detecting Hammondia Neospora-like oocysts (HNLO) by Mini $Parasep^{(R)}SF$ fecal parasite concentrator. HNLO were microscopically detected in 4 fecal samples (2.2%). The fecal samples with HNLO were examined by N. caninum-specific PCR. Two of the samples were positive for N. caninum. The 2 positive fecal samples were selected for inoculation to calves. Two inoculated calves were seronegative by ELISA for 4 months post-infection. This is the first report of finding N. caninum DNA in feces of farm dogs in Mashhad area, Iran.

• Journal of Animal Environmental Science
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• v.16 no.3
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• pp.245-252
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• 2010

Disposal methods of managing carcass in Korea livestock production systems include burying, digesting, rendering, carcass dumping to manure pile, dead animal disposer and mini-incinerator. Burying was usually the most practical method of carcass disposal in our livestock farms. Burying, carcass dumping to manure pile, dead animal disposer and mini-incinerator may have environmental regulatory and economic liabilities when used as a means of carcass disposal. In many cases in this survey, these disposal methods offer a poor choice for the producer due to individual site conditions, geology, cost, air emissions, rendering plants. A survey questionnaire that addressed the issues to livestock producers was prepared. The questionnaire addressed two main topics as follows: 1) types of livestock and generation amounts of carcass 2) Number of breeding animals and disposal methods of livestock mortality. A total of 36 livestock producers were interviewed. The results of obtained in this survey were summarized as follows: The number of breeding poultry, swine, beef cow and dairy cow was 251,000, 2,600, 142 and 92 heads per year and the generation amounts of annually carcass was 0.46, 15.32, 0.36, 1.36 tons per year of each poultry, swine, beef cow and dairy cow farms, respectively. The disposal methods of carcass were burying (42%), carcass dumping to manure pile (36%), rendering (8%), incineration (6%), digesting (6%), carcass disposer (2%), respectively. These results can be used as basic information to establish the standard of carcass composting facility.