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Comparative Study on Productive and Reproductive Performance of Local and Different Crossbred Dairy Cows at Daulatpur, Khulna in Bangladesh

F. Kabir
Faculty of Animal Science and Veterinary Medicine, Patuakhali Science and Technology University,Dumki, Patuakhali-8602, Bangladesh

M. R. Islam
Faculty of Animal Science and Veterinary Medicine, Patuakhali Science and Technology University,Dumki, Patuakhali-8602, Bangladesh

Abstract/ Executive Summary:

The study was conducted at Daulatpur upazila under the district of Khulna, Bangladesh. A total of 33 dairy cows belongs to different breeds, such as Holstein cross, Sindhi cross, Sahiwal cross and Local cows were selected and their information regarding milk production and other reproductive parameters were collected from on farm records for the period of last three years (2006-2008). The numbers of animals of each of the genotypic classes were 14 for Holstein cross, 8 for Sindhi cross, 6 for Sahiwal cross and 5 for Local cows. Significant difference was found within the milk yield (p<0.01), calving interval (p<0.01), lactation length (p<0.01), gestation length (p<0.01) and birth weight of calves (p<0.01) of different genotypes of dairy cows. In case of service per conception no significant differences (p>0.05) was observed. Highest milk yield (12.03 litre/day), highest birth weight of calves (24.14kg), highest lactation length (295.0 days) and lowest gestation length (282.6 days) were observed for Holstein cross. The lowest milk yield (2.1 litre/day), lowest lactation length (170 days) and lowest birth weight of calves (18.4 kg) were found in Local cows. Production performances of Holstein crossbred were better than that of other dairy crossbreds. Sindhi crossbred ranked second and the performances of other genotypes were nearly similar.

Keywords: Productive, Reproductive, Performance, Local, Crossbred, Dairy cows

Location: DAULATPUR, KHULNA, BANGLADESH

Start Date: 00-00-2006

End Date: 00-00-2008

Program Area: Animal Health and Management

Commodity: Cow

Objectives:

1. To know the productive and reproductive performance of different crossbred and local dairy cows, 2. To know the proper rearing and management practices at farms level, 3. To know the profitable dairy farm practices, and 4. To improve the socio-economical condition of the poor rural people of Bangladesh.

Methodology:

The present study was conducted at Daulatpur upazila under the District of Khulna in Bangladesh for the period of three years from 2008 to 2009. For this study a total of 33 dairy cows belongs to different breeds such as Holstein cross, Sindhi cross, Sahiwal cross and Local dairy cows were studied. The number of each genotypic classes were 14 for Holstein cross, 8 for Sindhi cross, 6 for Sahiwal cross and 5 for Local dairy cows. The entire animals were studied under the same management condition at farms level. The animals, which have at least three lactation periods, were only used for this study. Similarly birth weights of 33 claves from different genotypes were collected to monitor the effect of breeds on birth weight of calves. Stall-feeding was the main feature of feeding, although limited grazing was also done. Milk yield, lactation length, gestation length, service per conception, calving interval, birth weight of calves were used to measure the productive and reproductive performance of different genotypes. The collected data were statistically analyzed using Completely Randomized Design (CRD). Analysis of variance test was performed to find the statistical difference between the productive and reproductive traits of different breeds. LSD values were also calculated to find the significant differences within the different treatment means.

Source of Information: BANGLADESH RESEARCH PUBLICATIONS JOURNAL; ISSN: 1998-2003, Volume: 3, Issue: 2, Page: 909-914, November-December, 2009

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

It may be concluded that production performance of Holstein crossbred were better than that of other dairy crossbreeds. Sindhi crossbred ranked second and performances of other breeds were nearly similar. Although our native Local cows produce little less milk than crossbreeds, though native breed and was adjusted with our climatic condition. If we want to improve the productive and reproductive performance different crossbred and Local cows, more study is needed. Experiment on production and reproduction indicated that the milk production of crossbred cow is higher than that of Local cows its management is easier than that of other crossbred cows. For the improvement of the breed of cows, at first we have to consider the productive and reproductive performances of different crossbreeds existing in our country and then they have to be adapted with our native climate. Thereafter a selection program is to be implemented by considering the breed characteristics of the cows and that will be our great gain.

Knowledge Management: Journal