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From cytogenetics to cytogenomics: a new era in the diagnosis of chromosomal abnormalities in domestic animals.
J Appl Genet
January 2025
Department of Genetics and Animal Breeding, Poznan University of Life Sciences, Poznan, Poland.
Identification of chromosomal abnormalities is an important issue in animal breeding and veterinary medicine. Routine cytogenetic diagnosis of domestic animals began in the 1960s with the aim of identifying carriers of centric fusion between chromosome 1 and 29 in cattle. In the 1970s, chromosome banding techniques were introduced, and in the 1980s, the first cytogenomic techniques, based on the development of locus- and chromosome-specific probes, were used.
View Article and Find Full Text PDFIncreasing Beef Production in the Northern Region of the Republic of Kazakhstan Using the Genetic Resources of Aberdeen Angus Cattle of Different Genotypes.
Animals (Basel)
December 2024
Department of Food Security and Biotechnology, NLC «Akhmet Baitursynuly Kostanay Regional University», Kostanay 110000, Kazakhstan.
This article presents the findings of a scientific study investigating the efficacy of various assessment techniques used to evaluate the adaptability and productive qualities of Aberdeen Angus cattle on three prominent farms in the northern region of the Republic of Kazakhstan. A comprehensive analysis of the haematological and biochemical parameters of experimental groups of cattle with different genotypes (American, Canadian, and Estonian selection) was conducted. The studies revealed notable variability in haematological and biochemical indicators, contingent on the origin.
View Article and Find Full Text PDFThe genomic landscape of short tandem repeats in cattle.
Anim Genet
February 2025
State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining, China.
Short tandem repeats (STRs) are abundant and have high mutation rates across cattle genomes; however, comprehensive exploration of cattle STRs is needed. Here, we constructed a comprehensive map of 467 553 polymorphic STRs (pSTRs) constructed from 423 cattle genomes representing 59 breeds worldwide. We observed that pSTRs in coding sequences and 5'UTRs (Untranslated Regions) were under strong selective constraints and exhibited a relatively low level of diversity.
View Article and Find Full Text PDFMicrosatellite based molecular characterization of Nattukuttai- a unique short statured Bos indicus cattle population of southern India.
Genetica
November 2024
Department of Animal Genetics and Breeding, Madras Veterinary College, Chennai, India.
Molecular characterization was conducted to characterise 'Nattukuttai', a native cattle population of the north-eastern agro-climatic zone of Tamil Nadu (India), using thirty microsatellite markers. The analyses revealed a high level of genetic diversity, with a total of 294 alleles observed across all the loci, averaging 9.8 alleles per locus.
View Article and Find Full Text PDFMicrosatellite Markers & Mitochondrial D-Loop Based Phylogenetic And Diversity Analysis In Gabrali Cattle.
Trop Anim Health Prod
November 2024
The University of Agriculture, Peshawar, Pakistan.
The Gabrali cattle is a multipurpose breed, native to Khyber Pakhtunkhwa, Pakistan. Despite its economic importance, scientific data about its phylogeny and genetic diversity is scarce. To address this issue, the present study was conducted on thirty (30) unrelated Gabrali male and female animals, from which blood samples were collected and DNA was extracted.
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