Genetic Diversity, Distribution and Conservation of Domestic Animals and Wild Animal

A special issue of Diversity (ISSN 1424-2818).

Deadline for manuscript submissions: 20 July 2024 | Viewed by 278

Special Issue Editors


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Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences (IBER-BAS), Sofia, Bulgaria
Interests: animals; biodiversity; genetics; phylogeny
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences (IBER-BAS), Sofia, Bulgaria
Interests: purification, biochemical analysis and production of native and recombinant proteins; molecular diagnostics of population and species structure; bioinformatic sequences database analysis
Special Issues, Collections and Topics in MDPI journals
Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
Interests: molecular biology and molecular taxonomy; bioinformatic sequences database analysis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We do not know what kind of breeds will be necessary "tomorrow", how productive they will be, what foods will be needed by future humans, nor what society and ordinary people will require of us. Some thoughts, hinting that we must abandon endlessly increasing animal productivity and instead focus more on the quality of the animal products themselves, have already been sneaked through.

One of the most important problems, and today one of the most relevant, relates to the preservation of local, well-adapted animal breeds. Local breeds usually exhibit low productivity, but they are an important factor in maintaining the balance of the ecosystem in the environments they inhabit. They have a hearty constitution, superior resistance to diseases, greater adaptability to unfavorable growing conditions, are longer-lived, and possess a number of other valuable qualities. The conservation of genetic resources is necessary to maintaining genetic variability and plasticity when environmental, nutritional, and economic conditions change.

On the other hand, greater attention should also be paid to wild animal species, some of which are on the brink of extinction. The damage or destruction of natural habitats, pollution, overhunting, the modification of the climate, and dozens of other factors threaten the existence of wild animal species.

Genomic technologies are increasingly applied in ex situ and in situ population management and genomic screening is needed to identify the most suitable individuals for breeding, translocation and "genetic rescue" programs, and to avoid increasing the genetic load on the target population. In addition, knowledge gleaned from genomic techniques helps us to compare contemporary populations, as well as enabling more detailed temporal comparisons and assessment of the relationship between the scale of change of populations and time.

Dr. Peter Hristov
Dr. Georgi Radoslavov
Dr. Boiko Neov
Guest Editors

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Keywords

  • genetic diversity
  • climate change
  • local animal breeds
  • wild animal species
  • sustainable ecosystem
  • preservation

Published Papers (1 paper)

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Research

15 pages, 2582 KiB  
Article
Genetic Diversity and Population Structure among Arabian Horse Genealogical Lineages in Bulgaria
by Peter Hristov, Georgi Radoslavov, Ivan Mehandjyiski, Delka Salkova and Georgi Yordanov
Diversity 2024, 16(5), 281; https://doi.org/10.3390/d16050281 - 9 May 2024
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Abstract
The present research aimed to characterize the genetic diversity and relationships among extant Arabian horse sire lines in Bulgaria, using 15 equine microsatellite markers. The evaluation included 537 Arabian horses representing nine sire lines (SAKLAWI I, LATIF, SEANDERICH, IBRAHIM, SHABAB, DJEBEL MOUSA, KUHAILAN [...] Read more.
The present research aimed to characterize the genetic diversity and relationships among extant Arabian horse sire lines in Bulgaria, using 15 equine microsatellite markers. The evaluation included 537 Arabian horses representing nine sire lines (SAKLAWI I, LATIF, SEANDERICH, IBRAHIM, SHABAB, DJEBEL MOUSA, KUHAILAN AFAS, BAIRACTAR, and SARHAN). The obtained results indicated that within these lines, the mean number of alleles ranged from 4.15 in SARHAN to 5.54 in SAKLAWI I and LATIF. The mean expected heterozygosity (He) ranged from 0.54 in the SEANDERICH line to 0.67 in SAKLAWI I. The inbreeding coefficient for the entire Arabian populations was rather low: FIS = −0.109, fluctuating from −0.204 in SHABAB to −0.041 in SAKLAWI I. The mean genetic differentiation, FST, was 0.096, demonstrating that nearly 90% of the total genetic variation was due to genetic differentiation within each population. STRUCTURE analysis indicated a genetic similarity between SHABAB and LATIF, between IBRAHIM and KUHAILAN AFAS, as well as between SAKLAWI I, SEANDERICH, and BAIRACTAR. This study of the genetic diversity of Arabian sire lines in Bulgaria can assist in developing a national strategy for the exclusion of non-purebred animals from breeding programs in order to preserve the genetic profile of the original Arabian lines. Full article
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