نتایج جستجو برای: cattle breeds
تعداد نتایج: 57202 فیلتر نتایج به سال:
in recent years, the relationship between insertion and deletion (indel) polymorphisms in promoter region (23 bp) and intron 1 (12 bp) of prnp gene (prion protein coding gene) and their relationship to susceptibility of classical bovine spongiform encephalopathy (bse) have been reported. insertions of these two polymorphisms increase resistance to classical bse, while the deletions of these two...
Analysis of DNA from archeological remains is a valuable tool to interpret the history of ancient animal populations. So far most studies of ancient DNA target mitochondrial DNA (mtDNA), which reveals maternal lineages, but only partially the relationships of current breeds and ancient populations. In this study we explore the feasibility of nuclear DNA analysis. DNA was extracted from 1000-yea...
Zebu breeds of cattle from southern part of India are well known for their adaptability to extreme climatic conditions, draught efficiency, disease resistance and poor nutritional environment. Selection of appropriate populations for conservation of such genetic resources is needed in view of preventing rapid erosion of animal genetic resources. Estimation of genetic diversity is essential to d...
The present study was aimed to screen genetic variation within a SNP (rs136500299) located at exon 14 region of bovine ITGB6 gene among different Zebu cattle breeds. The genotyping method describe in the present study is a tetraplex ARMS PCR, which offers extremely fast, economical, and simple detection tool. The distribution of the ITGB6 genotypes among the different breeds studied suggested t...
This study was aimed to preserve mitochondria from liver tissues of Korean native cattle (KNC) as genetic resources and to analyze phylogenetic relationships among cattle breeds using the whole sequences of mtDNA. Mitochondria of KNC has been isolated with the alkaline lysis procedure using 1 g of liver tissues, and measurements showed numbers of cells (2.64 × 10), concentration (114.6 ug/ml), ...
Cattle are the major source of food security and income for pastoral farmers in sub-Saharan Africa. However, infectious and parasitic diseases remain a major constraint to improved cattle productivity in the region. The use of animal health economics to support decision-making on cost-effective disease control options is increasingly becoming important in the developing world. Trypanotolerant i...
Genomic structural variation is an important and abundant source of genetic and phenotypic variation. Here, we describe the first systematic and genome-wide analysis of copy number variations (CNVs) in modern domesticated cattle using array comparative genomic hybridization (array CGH), quantitative PCR (qPCR), and fluorescent in situ hybridization (FISH). The array CGH panel included 90 animal...
Bovine leukemia virus (BLV) is highly endemic in many countries, including Iraq, and it impacts the beef and dairy industries. The current study sought to determine the percentage of BLV infection and persistent lymphocytosis (PL) in cattle in central Iraq. Hematological, serological, and molecular observations in cross breeds and local breeds of Iraqi cattle naturally infected with BLV were co...
By using biological data and historical research, we have tried to explain the difference between resistance and susceptibility to the diseases transmitted (cowdriosis) or associated (dermatophilosis) with the tick Amblyomma variegatum, in two cattle breeds of the French West Indies: the Creole crossbred cattle of Guadeloupe and the Brahman zebu cattle of Martinique. Have been studied the polym...
Merauke is one of seventeen districts selected for strengthening beef cattle breeding activities to provide livestock germs, especially local livestock, through domestic procurement. The sustainability production supplies must be supported by the availability quality breeds. Superior are determining factors and have a strategic value in effort develop cattle. Criteria evaluating breeds, includi...
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