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Morphometry and Fertility Performance of Bucks Used for Breeding Programme in Bangladesh

Md. Jalal Uddin Sarder*
Department of Veterinary and Animal Sciences, University of Rajshahi, Rajshahi-6205, Bangladesh

Mst. Ishrat Zerin Moni
Department of Veterinary and Animal Sciences, University of Rajshahi, Rajshahi-6205, Bangladesh

Mist. Rokeya Sultana
Department of Veterinary and Animal Sciences, University of Rajshahi, Rajshahi-6205, Bangladesh

Md. Hemayatul Islam
Department of Veterinary and Animal Sciences, University of Rajshahi, Rajshahi-6205, Bangladesh

Abstract/ Executive Summary:

Context: Phenotypic characteristics of buck is a basic tools in animal husbandry due to selection criteria and economical profit. Objectives: The present research was conducted to evaluate the phenotypic traits of 60 bucks at Private Exotic Buck Breeding Centres in Rajshahi city with its adjacent area and Goat improvement Farm, Rajabarihat, Rajshahi, Bangladesh. Material and Methods: The experiment was conducted at private and government buck breeding centres of Rajshahi, Bangladesh during January, 2009 to October, 2010 to evaluate the phenotypic traits of 60 bucks, namely Jamunapari (n=9), Sirohi (n=15), Beetal (n=13), Crossbred (n=13) and Black Bengal (n=10) in relation to genotype and age. The data collected from the owners using pre-tested questionnaires analyzed with variance (ANOVA) and DMRT test. Results: The average value of phenotypic traits of buck as body weight, height at wither, height at rump, body length, heart girth, age at puberty, scrotal circumference, testicular length, scrotal diameter, paired testicular volume, libido (scale:1-4), servicing performance (scale:1-3), time required servicing, ejaculate time, services per day (times), conception rate (CR) and non return rate(NRR) at 60 days were 48.41±2.0 kg, 86.13±1.7 cm, 86.57±2.7cm, 108.1±2.1cm, 84.81±1.2 cm, 6.35±0.20 month, 26.12±0.42 cm, 14.73±0.28 cm, 8.30±0.13, 415.5± 19.38 gm, 3.51±0.60, 2.65± 0.21, 2.53±0.14 minutes, 10.88±0.57 seconds, 2.36±0.27, 82.25±1.5% and 86.53± 0.81%, respectively. Genotype had significant effect (P<0.05) on all the phenotypic traits of buck except on libido and servicing performance. The overall phenotypic performance was better in >2 years aged group of buck. Conclusion: The Private exotic buck breeding centre plays a vital role for improving of Black Bengal goat as well as Beetal, Sirohi and Jammunapari cross-bred goat that are suitable genotypes for meat and milk production in Rajshahi of Bangladesh.

Keywords: Black Bengal, Jamunapari, Sirohi, Beetal, Buck, Phenotypic characteristics.

Location: At private and government buck breeding centres of Rajshahi, Bangladesh

Start Date: 00-01-2009

End Date: 00-10-2010

Program Area: Animal Health and Management

Commodity: Buck

Objectives:

The present research has been taken to evaluate the phenotypic characteristics of different genotypes of buck with their age used at private and government buck breeding centres at Rajshahi of Bangladesh.

Methodology:

The experiment was conducted at Private Exotic Buck Breeding Centres at Rajshahi city and adjacent area, Goat improvement Farm, Rajabarihat, Rajshahi, Bangladesh during January, 2009 to October, 2010 to evaluate the phenotypic traits of 60 bucks.

Selection of Experiment Animals A total 50 exotic bucks of different genotypes from twelve Private Buck Breeding Centres at Rajshshi which was recently established and 10 Buck from Government of Buck Breeding Centre of Goat Improvement Farm, Rajabarihat, Rajshahi has been selected for natural services of oestrus goats to crossing the Local or Black Bengal goat. The different exotic genotypes of buck were available at said breeding centres such as Jamunapari, Beetal, Sirohi, Crossbred and Black Bengal. Each Private Buck Breeding Centres has the buck ranging from 3 to 6. Generally, each exotic buck gives service about 2-4 doe per day.

Management of Bucks The owner’s of buck breeding centre they kept their buck in low cost house. The buck keeper supplied the food approximately, 1-1.5 kg concentrate feed like Anchor bran and chick pea and also provided jackfruit leaves etc. Always buck tied with a rope in a bamboo pool. The deworming and vaccination were not regularly practices.

Data collection To collect information in accordance with objectives of the study and a survey schedule has been developed. The genotypes of buck were divided into 4 groups according to their genetic composition such as Group-I: Jamunapari (n=9), Group-II: Beetal (n=13); Group-III: Sirohi (n=15); Group-IV: Crossbred (J×S×B×BB) (n=13). The age of the animals was determined by dentition as described by counting the number of permanent incisors that have erupted on the lower jaw of the mouth. Age also recorded from birth register of buck breeding centres. Age of buck were classified into three groups which as follows, Group-I: <1.5 yrs (n=29); Group-2: 1.5 to <2 yrs (n=20); and Group-III: > 2yrs (n=11).

Source of Information: Bangladesh livestock journal. 2016. 2: 58-62 ISSN 2409-7691

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

On the basis of the information obtained from the present study it could be concluded that; The phenotypic traits viz. body weight, height at wither, height at rump, total body length, heart girth, scrotal circumference, testicular length, scrotal diameter and paired testicular volume had excellent in buck of Beetal>Jamunapari>Sirohi> crossbred>Black Bengal as well as the excellent fertility status such as servicing performance, ejaculate time, services per day, conception rate and nonreturn rate at 60 days were better in Black Bengal Goat than the other breeds. Additionally, the middle age groups (1.5 to <2 yrs) had better phenotypic performances where libido, conception rate and non return rate was good at >2 yrs of buck groups. Finally, the Black Bengal goat is a famous breed in Bangladesh due to meat quality, skin quality, prolificacy, fecundity, fertility, survivability in respect of our environmental condition, acceptability to people, rearing ability, per unit price, total biomass, grazing habit and overall maintenance cost. The cross breed goat has shown the good result in this study for particular area and a short period. On other hand, many parameters have not been studied for example prevalence diseases. It concluded that, Black Bengal is pure breed famous goat that why it never be cross with other exotic breed.

Knowledge Management: Journal