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Evaluation of Different Parameters in Relation to Repeat Breeding of Cows at the Coastal Areas of Bangladesh

Bidyut Matubber
Department of Medicine, Surgery and Obstetrics, Faculty of Animal science and Veterinary Medicine, Patuakhali Science and Technology University, Barisal-8210, Bangladesh

Ashit Kumar Paul
Department of Medicine, Surgery and Obstetrics, Faculty of Animal science and Veterinary Medicine, Patuakhali Science and Technology University, Barisal-8210, Bangladesh

Sushanta Das
Upazila Livestock Officer, Department of Livestock Services, Ministry of Fisheries and Livestock, Dhaka Bangladesh

Abstract/ Executive Summary:

The aim of this study was to evaluate the presumptive factors might be responsible for repeat breeding syndrome of cows in Bangladesh. The study was conducted in different villages around the Faculty of Animal Science and Veterinary Medicine, Patuakhali Science and Technology University, Outer campus, Barisal during the period from July to September 2017. A total of 100 repeat breeder cows were evaluated considering different presumptive influencing factors such as breed, age, parity, body condition score (BCS), fetal death, retention of placenta, post-partum endometritis, abortion, dystocia and managemental practices of cows. It was found that there was no significance (p>0.05) effect of parity and age of cows on the occurrence of repeat breeding syndrome in local and crossbred cows. Repeat breeding syndrome was significantly higher in BCS 2.0 to 2.5 in local breed and 3.0 to 3.5 in crossbred cows than that of other groups. In the study animals, dystocia was 4.0%, fetal death was 58.2%, retention of placenta was 57.1%, post-partum endometritis was 4.1% in crossbred cows. Cows in semi-intensive system raring had significantly (P<0.05) higher (53.1%) of repeat breeding than that of others systems. Animals that were not de- wormed (73.5%) and vaccinated (92.9%) had 73.5 % and 92.9% repeat breeding syndrome affected cows, respectively. It may concluded that simultaneously multiple factors such as irregular deworming and vaccination, subclinical endometritis, hormonal imbalance, early embryonic death due to low progesterone level, failure of proper heat detection and so on, might be also responsible to the occurrence of repeat breeding syndrome in cows.

Keywords: Repeat breeding, Cows, Deworming, Vaccination, Dystocia, Parity

Location: Faculty of Animal Science and Veterinary Medicine, Patuakhali Science and Technology University, Bangladesh

Start Date: 00-07-2017

End Date: 00-09-2017

Program Area: Animal Health and Management

Commodity: Cow

Objectives:

To evaluate the presumptive factors which might responsible for repeat breeding syndrome of cows at the Coastal areas of Bangladesh.

Methodology:

This study was conducted during the period from July to September 2017 in different villages around the Faculty of Animal Science and Veterinary Medicine, Patuakhali Science and Technology University, Outer campus, Barisal, Bangladesh. The data were collected directly from the farmers by direct interview and physical observation the cow. A questionnaire had been prepared for data collection. The questionnaire included the information about breed, parity, age, BCS, number of artificial insemination (AI), history of dystocia in last calving, retention of placenta after calving, visible post partum endometritis, abortion, feeding system, oestrus sign, calf feeding, de- worming, vaccination and showering of cow. The cows were diagnosed as repeat breeders depending on their failure to conceive after three consecutive services with bulls of known fertility and/or insemination with excellent semen. A total of 100 repeat breeders cow’s data were collected from different farmers. Most of the farms were small holder farms. The cows were categorized in the following groups- According to the breed of animals, the cows were classified into Local: a. Native non descriptive animals with well developed hump.Crossbred: b. Breed between local and others foreign breed. Parity: According to the parity (number of calving) of cows, Cows were divided into following groups- Parity-1: One time calved; Parity-2: Two times calved and Parity 3: Three times calved; Age: According to the age of cows, the cow had been divided into ≤ 3 years, >3 to ≤4 years and >4 to ≥5 years. Body Condition Score (BCS): According to the BCS (five scale point system) of cows, the cow were grouped into following groups-2.0 to 2.5: Backbone visible, hips and shoulder bone visible, ribs visible faintly and tail head area slightly recessed. >2.5 to ≤3.0: Hip bones visible faintly, ribs generally not visible and tail head area not recessed. >3.0 to ≥3.5: Hip bones not visible, ribs well covered and tail head area slightly lumpy. Statistical analysis: The collected data were input in the Microsoft Excel sheet for coding and analysis. The rate different variable was expressed as percentage (%). The analysis of variance was analyzed by using SPSS® statistical software (version 20.0). Differences were considered significant at the level of P< 0.01 and P< 0.05.

Source of Information: Res. Agric. Livest. Fish. Vol. 5, No. 1, April 2018: 49-55.

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Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

It is concluded that repeat breeding syndrome is a multifactorial problem involving a number of extrinsic factors as well as intrinsic factors coupled to the individual animal. The prevalence of repeat breeding is higher in cross breed cows which may be due to the susceptibility to environmental influence e.g. nutrition, climate; inherently lower fertility, more sensitive to housing and other management practices. Endometritis and retained placenta are the most commonly encountered anomalies causing repeat breeding in cattle under field or farm conditions.

Knowledge Management: Journal