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Performance of Different Crossbred Cattle at Comilla District of Bangladesh

M K Hasan*
Department of Poultry Science, Sylhet Agricultural University, Sylhet-3100, Bangladesh

M A Rahman
Department of Genetics and Animal Breeding, Sylhet Agricultural University, Sylhet-3100, Bangladesh

A S M Mahbub
Department of Poultry Science, Sylhet Agricultural University, Sylhet-3100, Bangladesh

S A Belal
Department of Poultry Science, Sylhet Agricultural University, Sylhet-3100, Bangladesh

T Ahmed
Department of Microbiology and Immunology, Sylhet Agricultural University, Sylhet-3100, Bangladesh

Abstract/ Executive Summary:

This study was conducted to compare the performance of crossbred cow likely L×F (50% L and 50% F), L×H×F×F×L×F (68.75% F, 28.125% L and 3.125% H), L×F×F (75% F and 25% L), L×F×L×F×F (81.25% F and 18.75% L), L×SL (50% L and 50% SL), L×SL×SL (75% SL and 25% L), L×SL×F (50% F, 25% L and 25% SL), L×S (50% L and 50% S) and L×Rc (50%L and 50% Rc). A total of 240 crossbred cows were selected from five upazilas of Comilla district. It was observed that mean milk yield per day for L×F, L×H×F×F×L×F, L×F×F, L×F×L×F×F, L×SL, L×SL×SL, L×SL×F, L×S and L×Rc crossbreds cattle were 6.03±0.5, 7.3±0.6, 9±0.5, 10±0.5, 4.51±1.06, 5±1.06, 4.16±0.81, 4±0.5 and 3±0.5 litre, respectively. The lactation length of L×F, L×H×F×F×L×F, L×F×F, L×F×L×F×F, L×SL, L×SL×SL, L×SL×F, L×S and L×Rc crossbreds cattle were 285±5, 285±5, 285±5, 285±5, 251±5, 253±5, 259±5,248±5 and 220±5 days, respectively. About the reproductive performances L×F, L×SL and L×SL×SL cross breed cattle need minimum (1.61±0.61) services per conception and LxS crossbred cattle need maximum (1.78±0.63) services per conception. Gestation length was shorter (277±3.31 days) in case of L×Rc cross and highest (279.7±4.2 days) in case of L×SL×SL crossbred cattle. The highest calving interval was 447±20 days and found in L×S crossbred cattle and the lowest calving interval was 430±20 days and observed in L×F, L×H×F×F×L×F, L×F×F and L×F×L×F×F crossbred cattle. Calving interval was lower (430±20 days) in L×F, L×H×F×F×L×F, L×F×F and L×F×L×F×F crosses and higher (447±20 days) in L×S crossbred cattle. Age at puberty was shorter in L×SL×F cross 26.2±2.4 months and longer in L×SL×SL cross 29.3±2.3 months. Based on the results obtained from current study, it can be concluded that the L×F (50% L and 50% F) crossbred cattle is more suitable under climatic and socio-economic condition of Comilla district in Bangladesh.

Keywords: Crossbred cattle, Productive performance, Reproductive performance

Location: Five upazilas of Comilla district and these were Comilla Adarsa Sadar, Burichang, Brahmanpara, Chandina and Debidwar

Start Date:

End Date:

Program Area: Socio-economic and Policy

Non-commodity: Performance

Objectives:

The present study was designed to understand the productive and reproductive performances of different crossbred cattle of Comilla district in Bangladesh and to recommend farmers the best crossbred cattle which are to be more economic and suitable in existing ecological and socio-logical condition of Comilla district in Bangladesh.

Methodology:

The study was conducted in five upazilas of Comilla district and these were Comilla Adarsa Sadar, Burichang, Brahmanpara, Chandina and Debidwar. Numbers of farms taken from those upazilas were 15, 12, 8, 4 and 3 respectively. Total 240 cows of different crossbreds such as fourty L×F (50% L and 50% F), thirty five L×H×F×F×L×F (68.75% F, 28.125% L and 3.125% H), twenty L×F×F (75% F and 25%L), ten L×F×L×F×F (81.25% F and 18.75% L), thirty L×SL (50% L and 50% SL), forty L×SL×SL (75% SL and 25% L), twenty L×SL×F (50% F, 25% L and 25% SL), fifteen L×S (50% L and 50% S) and thirty L×Rc (50% L and 50% Rc) were collected from different locations of the study area. Here, L= Local cattle breed, F= Holstein Friesian cattle breed (Dairy), H= Hariana cattle breed (Dairy + Work), SL= Sahiwal cattle breed (Dairy + Beef), S= Sindhi cattle breed (Dairy + Beef), Rc= Red Chittagong cattle breed. The data were collected through direct interviewing from the farmers door to doors of the study area. To draw an accurate and reasonable date, care and cautions were taken during data collection. The traits used to measure the productive and reproductive performances of crossbred cattle were milk yield per day (litre), peak milk yield per day (litre), lactation length (d), lactation yield (litre), birth weight (kg), age at puberty (m), age at first fertile service (m), age at first calving (m), gestation length (d), post-partum heat period (d), days open (d), wastage days (d), number of service per conception, dry period (d), weaning period (m) and calving interval (d). Peak milk yield per day is the highest amount of milk yields at their subsequent lactation length. The number of days from first milking to the end of milking of cows is called lactation length. The total quantity of milk produced throughout the lactation was taken as lactation yield. The birth weight of a new born calf is termed as birth weight. The age at which a heifer first shows estrus sign and behaviour may be defined as age at puberty. Age at first fertile service is defined as the age when a heifer first conceives followed by heat. Age at first calving is defined as the age when a heifer gives a calf. Gestation length is calculated as interval from conception to parturition. Post-Partum Heat Period (PPHP) is considered the interval between date of calving and the date of first insemination. Days open is referred as interval from parturition to conception of cows. Wastage Days (WD) is considered the first service to conception interval. Number of service per conception is considered as the number of artificial insemination required for one successful conception for heifer or cows. Dry period is the number of days from the end of milking to next parturition of cows. Age at which a calf leaves its mother or when a calf starts to take green grass or straw rather than suckling is called age of weaning. The number of days between two successive calving of the same cows or the period from one calving to the next is termed as calving interval. After collecting the questionnaires, preliminary sorting and checking, data were prepared for analysis. Collected data were processed, tabulated and analyzed through mean and standard deviation (SD).

Source of Information: J. Sylhet Agril. Univ. 1(2):161-167, 2014 ISSN: 2308-1597

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

In conclusion, productive and reproductive performance of different crossbred cattle is better than indigenous cattle breed. For better performance suitable cross breds of cows have to be developed in our country through selection, cross breeding and upgrading together with improved management practices. If the Government of Bangladesh takes necessary steps to upgrade the indigenous cattle by crossing with high yielding cattle breed and stop inbreeding than it will be better for our country.

Knowledge Management: Journal