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Productive and Reproductive Efficiency of Red Chittagong Cattle Under Farm Condition

M. P. Mostari
Bangladesh Livestock Research Institute, Savar, Dhaka-1341, Bangladesh

K. S. Huque
Bangladesh Livestock Research Institute (BLRI), Savar, Dhaka, Bangladesh

M. S. Hasanat
City Industry Ltd., Dhaka, Bangladesh

Z. Gulshan
Department Biotechnology & Genetics Discipline, Khulna University, Khulna, Bangladesh

Abstract/ Executive Summary:

The productive and reproductive efficiency of Red Chittagong cattle (RCC) reared at the Bangladesh Livestock Research Institute (BLRI) farm was evaluated. A total of 46 RCC of different categories were considered under this study. Parameters studied were birth weight, weight at 3, 6 months of age and adult body weight, growth rate, daily milk yield, lactation length, lactation yield, age at puberty, weight at puberty, age at first calving, post partum estrus period, service per conception, calving interval and gestation length of RCC were collected and recorded. The birth weight differed significantly (p<0.01) between male and female and the average birth weight of RCC calves at farm level was 14.87 kg. The growth rates and adult body weight also differed significantly (p<0.05 and p<0.01) between male and female except in growth rate from 3 to 6 months of age. The average daily milk yield, milk yield per lactation and lactation length of RCC were 2.24 kg, 526.81 kg and 238 days, respectively. The age at puberty, service per conception, post partum estrus period and calving interval of RCC heifers and cows were 15 months, 1.15, 40 days and 11 months, respectively. It can be concluded that the RCC is a genetically and economically superior variety of Bangladesh.

Keywords: Red Chittagong cattle, Productive, Reproductive, Performance

Location: Bangladesh Livestock Research Institute (BLRI), Savar, Dhaka, Bangladesh.

Start Date: 00-00-2002

End Date: 00-00-2005

Program Area: Animal Health and Management

Commodity: Cattle

Objectives:

To evaluate the productive and reproductive efficiency of RCC at farm condition.

Methodology:

The present study was carried out at the research station of Bangladesh Livestock Research Institute (BLRI), Savar, Dhaka. The non-orthogonal information accumulated over a period of 2002 to 2005 of an individual since establishment of the farm were used as experimental materials of the present study. The conservation and development program of RCC in BLRI was started with 12 cows, 12 calves and 3 bulls, which were procured from Anawara and Chandanish upazilla of Chittagong district. A selective breeding plan for the improvement of RCC was started from August 2002, and it was designed in a way to avoid inbreeding effects. A mating plan was strictly followed in the research farm keeping the bulls under confinement. Under this program a selected stock is already been developed comprising 10 milking cows, 5 dry cows, 11 yearling bulls and heifers, 12 calves and 8 bulls. The animals other than the bulls are reared in semi-intensive system. The cattle are allowed to graze on natural pasture from 9 A. M. to 1.30 P. M. Straws or silage is provided during the draught period. A concentrate mixture is provided twice daily (8 A. M. and 4 P. M.) on the basis of live weight at the rate of 1 kg/100 kg body weight. Data on birth weight, live weight of animals at 3 month, 6 month or at adult age, growth rate, daily milk yield, lactation yield, lactation length, age at puberty, weight at puberty, age at first calving, post partum estrus period, service per conception, calving interval and gestation length were recorded and expressed in kilogram (kg), gram (g), days (d) and months (m). Effects of sex on different productive and reproductive performances were determined by student’s t-test using SPSSx statistical computer package.

Source of Information: Progress. Agric. 18(2) : 109-114, 2007 ISSN 1017-8139

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The herd size is too small to draw any conclusion on dairy characters of cows or growth performance of males. However, the age at puberty, the service per conception and post partum oestrus period of RCC are very low compare to others. On the other hand, the extent of difference in growth rate of RCC male and female are higher than that of the other breeds. The age at puberty, service per conception, post partum estrus period and calving interval of RCC heifers and cows were 15 months, 1.15, 40 days and 11 months, respectively. It can be concluded that the RCC is a genetically and economically superior variety of Bangladesh.

Knowledge Management: Journal