نتایج جستجو برای: crossbred cattle

تعداد نتایج: 52906  

2014
Sydur Rahman

The present cattle population of Bangladesh is 24.17 million (DLS, 2009). More than 80 percent of this cattle population is indigenous and rests of them are purebreds and crossbreds of different exotic breeds (Friesian, Jersey and Shahiwal) cattle, which is contributing a major share of livestock sub-sector and playing multi-functional roles (supply of milk, meat, skin, manure, carting etc.) in...

Journal: :veterinary research forum 2012
debashis saha radhe shyam gupta ramesh pratap singh baghel ankur khare

the present study was conducted on efficiency of utilization of dietary energy for milk production in lactating crossbred cattle. 18 lactating crossbred cattle of early to mid-lactation, approximate body weight (375.39±23.43 kg), milk yield, parity and stage of lactation were divided into three groups of six animals each and were fed 0, 50 and 100% diammonium phosphate (dap) in the mineral mixt...

Journal: :Biodiversitas 2022

Abstract. Ermawati D, Panjono, Bintara S, Hartatik T. 2022. Diversity of partial sequence leptin gene (Exon 3) in crossbred cattle compared to GenBank database. Biodiversitas 23: 5614-5620. Genetic marker method that is often used select Single Polymorphism Nucleotide (SNP). Polymorphisms (SNP) has been found various candidate genes, one which the gene. Leptin a affects reproduction and weight....

Journal: :iranian journal of applied animal science 2012
a. pal p.n. chatterjee a.k. chakravarty

the present investigation aimed to conduct a genetic study of dairy cattle and buffalo bulls based on economic traits and their phenotypic correlation. the means of various economic traits in both the species are presented. cattle bulls reported a better libido score, flehmen response, requirement of mounting stimulus and semen volume, conception rate and expected predicted difference for milk ...

Journal: :Acta Agriculturae Scandinavica Section A-animal Science 2021

Farmers play a key role in conserving native livestock breeds, but without economic support, farms with breeds may not be viable. We hypothesized that terminal crossbreeding can improve herd economy and decrease the support needed from society. Three scenarios were simulated using SimHerd Crossbred: of purebred Swedish Polled Cattle, Red, 75% Cattle 25% F1 crossbreds. The results showed annual ...

Journal: :journal of arthropod-borne diseases 0
yasser mahmmod department of large animal sciences, faculty of health and medical sciences, copenhagen university, copenhagen, denmark and department of animal medicine, faculty of veterinary medicine, zagazig university, zagazig, egypt.

b a ckground: there is a little or no data available on the natural babesia bovis ( b . bovis ) infection in water buffaloes( buba l u s bubalis ) comparing to the available one for cattle. this study was conducted to investigate the natural b. bovis infection in water buffaloes in comparison to crossbred cattle under field conditions in egypt. m e t hods: a total of 35 buffaloes and cattle wer...

Journal: :Czech Journal of Animal Science 2021

Population genetic parameters, direct and maternal breeding value, the trend in weaning weight of Limousin beef cattle calves were estimated period 1992-2019. Data 19 764 (15 437 purebred 4 327 crossbred) computed. Crossbred sired by bulls from Simmental dams. Calves question came 37 herds 240 sires Hungary. DFREML MTDFREML software was used for estimation population BLUP animal model value est...

2014
Umar Nazir Zahid Swaran Singh Randhawa Syed Ashaq Hussain Sarnarinder Singh Randhawa Vishal Mahajan Kirti Dua

The objective of this study was to identify claw lesions causing clinical lameness in lactating Holstein Frisian (HF) crossbred cows in dairy cattle. Seventy dairy farmers were interviewed at the monthly meetings of Progressive Dairy Farmers Association of Ludhiana, Punjab, India. Ten dairy farms were randomly selected as per probability proportional to size and a total of 450 lactating HF cros...

Journal: :Revista Brasileira De Zootecnia 2021

The objective of this study was to estimate the breed, heterosis, and recombination effects on different components lactation curve Girolando cattle. dataset used consisted 12,121 purebred cows Holstein (H) Gyr (G) breeds, six H×G crossbred (Girolando). model presents random herd cow, regression coefficient associated with linear effect proportion H heterosis between G [...]

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