Articles | Volume 68, issue 2
https://doi.org/10.5194/aab-68-409-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/aab-68-409-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Original study
| 
20 Jun 2025
Original study |
| 20 Jun 2025
| 20 Jun 2025
Genetic diversity and population structure of the indigenous goat population in Tunisia's northwest
Ikram BenSouf
CORRESPONDING AUTHOR
Laboratory of Animal, Genetic and Feed Resources (LRGAA), National Agronomic Institute of Tunisia, University of Carthage, 43 Avenue Charles Nicolle, Tunis, 1082, Tunisia
Ines Dhib
Département des sols et de génie agroalimentaire, Faculté des sciences de l'agriculture et de l'alimentation, Université Laval. 2425, rue de l'Agriculture, Québec, QC, G1V 0A6, Canada
Safa Bejaoui
Research Unit of Biodiversity and Resource Development in Mountain Areas of Tunisia, UR17AGR14, Higher School of Agriculture of Mateur, Carthage University, Tunis, Tunisia
Hatem Ouled Ahmed
Animal Production and Health Laboratory, Joint FAO/IAEA Centre for Nuclear Applications in Food and Agriculture, Department of Nuclear Sciences and Applications, International Atomic Energy Agency, Friedenstrasse 1, 2444 Seibersdorf, Austria
Hichem Khemiri
North West Sylvo-pastoral Development Office, Avenue de l'Environnement, 9000, Béja, Tunisia
Naceur M'Hamdi
Laboratory of Animal, Genetic and Feed Resources (LRGAA), National Agronomic Institute of Tunisia, University of Carthage, 43 Avenue Charles Nicolle, Tunis, 1082, Tunisia
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Safa Bejaoui, Nour Elhouda Fehri, Mohamed Amine Ferchichi, and Bayrem Jemmali
Arch. Anim. Breed., 67, 515–521, https://doi.org/10.5194/aab-67-515-2024, https://doi.org/10.5194/aab-67-515-2024, 2024
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Genetic variation in the SLC11A1 (C>G) and CARD15 (A/G) genes may contribute to the onset and development of bovine tuberculosis (bTB), supporting the hypothesis that polymorphisms in these genes are associated with the risk of bTB in Holstein cattle. bTB is a complicated disease that is probably influenced by polymorphisms in many genes, particularly those related to the immune system and host–pathogen interactions.
Bayrem Jemmali, Mohamed Mezir Haddad, Nawel Barhoumi, Syrine Tounsi, Faten Lasfer, Amira Trabelsi, Belgacem Ben Aoun, Imen Gritli, Soufiene Ezzar, Abdelhak Ben Younes, Mohamed Habib Ezzaouia, Boulbaba Rekik, and Hatem Ouled Ahmed
Arch. Anim. Breed., 60, 153–160, https://doi.org/10.5194/aab-60-153-2017, https://doi.org/10.5194/aab-60-153-2017, 2017
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This study aimed at screening genetic diversity and differentiation in four horse breeds raised in Tunisia: the Barb (BA), Arab-Barb (AB), Arabian (AR), and English Thoroughbred (TS) breeds. A total of 200 blood samples were collected and genomic DNA was extracted. The average number of alleles per locus was 7.52 (0.49), 7.35 (0.54), 6.3 (0.44), and 6 (0.38) for the AB, BA, AR, and TS, respectively. Results showed that the important amount of genetic variation was within population.
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Genetic diversity and population structure of indigenous guinea fowl (Numida meleagris) in Benin using simple sequence repeat markers
The trend of breeding value research in animal science: bibliometric analysis
Abdulraheem A. Musa, Jan Klosa, Manfred Mayer, and Norbert Reinsch
Arch. Anim. Breed., 68, 377–394, https://doi.org/10.5194/aab-68-377-2025, https://doi.org/10.5194/aab-68-377-2025, 2025
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In response to the urgent need for enhancing food security amidst a rapidly growing global population, our study develops new models to improve breeding programs for plants and animals. Traditional models often fall short in capturing the full genetic complexity. However, our three new models demonstrate improved performance by better predicting breeding values, thus supporting more effective breeding strategies and contributing to global food security.
Victoria Rankotsane Hlokoe, Thobela Louis Tyasi, and Vusi Gordon Mbazima
Arch. Anim. Breed., 68, 365–376, https://doi.org/10.5194/aab-68-365-2025, https://doi.org/10.5194/aab-68-365-2025, 2025
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The classification and regression tree (CART) method produced good models for predicting albumen weight, with R2 values of 0.94 and 0.96, and yolk weight, with R2 values of 0.93 and 0.92, in Potchefstroom Koekoek and Lohmann Brown layers, respectively. This study suggests that a CART data mining algorithm might assist in determining the breed standards of Lohmann Brown and Potchefstroom Koekoek chicken breeds.
Jun-Zheng Zhang, Azher Nawaz, Si-Han Wang, Quan Tian, Chun-Yin Geng, Ying Hai-Jin, and Shuang Ji
Arch. Anim. Breed., 68, 299–310, https://doi.org/10.5194/aab-68-299-2025, https://doi.org/10.5194/aab-68-299-2025, 2025
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We investigate the association between single-nucleotide polymorphisms of RING finger protein 34 (RNF34) and RING finger protein 128 (RNF128) with carcass and meat quality traits. Statistical analysis showed that RNF34 (3′ UTR-588 G>A) and RNF128 (I1-2380C>T) are significantly associated with testis weight, kidney weight, tare weight, dressed weight, forepaw weight, carcass depth, carcass brisket depth, and hind leg length (P<0.05), influencing meat yield and quality.
Taki Karsli
Arch. Anim. Breed., 68, 161–169, https://doi.org/10.5194/aab-68-161-2025, https://doi.org/10.5194/aab-68-161-2025, 2025
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Genetic variability and selection signatures were analyzed in Anatolian Merino via 351.539 bi-allelic single nucleotide polymorphisms. Adequate genetic diversity with a low inbreeding coefficient was detected. Effective population size, however, showed a declining trend through generations. Selection signals were observed in 37 and 72 protein-coding genes via two statistical approaches; a large part of them were associated with milk traits and udder morphology.
Özlem Hacan, Mustafa Tekerli, Samet Çinkaya, and Mustafa Demirtaş
Arch. Anim. Breed., 67, 561–570, https://doi.org/10.5194/aab-67-561-2024, https://doi.org/10.5194/aab-67-561-2024, 2024
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This study examined genetic changes in body measurements at birth in Turkish Arabian foals born between 1987 and 2007. Significant factors influencing body size traits were identified. Additive genetic and maternal heritabilities varied, highlighting their impacts on foal traits. Results suggest the potential for selective breeding to enhance these traits over time, aiding future breeding strategies in Turkish Arabian horses.
Nursen Senturk, Tugce Necla Selvi, Mustafa Demir, Hakan Ustuner, Hale Samli, and Sena Ardicli
Arch. Anim. Breed., 67, 523–531, https://doi.org/10.5194/aab-67-523-2024, https://doi.org/10.5194/aab-67-523-2024, 2024
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The LEP gene has been extensively studied in cattle, but research on goats is limited, often overlooking vital parameters like reproduction and growth. We investigate the relationship between LEP gene polymorphisms and growth or reproductive traits in Saanen goats. Notably, the LEP-Sau3AI SNP exhibited associations with birth weight and average daily weight gain. This pioneering study is the first to explore these traits alongside selected LEP variants in Saanen goats.
Azher Nawaz, Junzheng Zhang, Ying Meng, Lefan Sun, Haiyang Zhou, Chunyin Geng, Haixing Liu, Yinghai Jin, and Shuang Ji
Arch. Anim. Breed., 67, 469–480, https://doi.org/10.5194/aab-67-469-2024, https://doi.org/10.5194/aab-67-469-2024, 2024
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This study on Yanbian yellow cattle, known for their quality meat, examined fat from various body regions to understand differences in fat content and gene activity. We found 16 different fats in abdominal tissue, with unique fats in subcutaneous and other tissues. Kidney fat cells were larger than those in other areas. Gene activity varied significantly, with different genes being the most active in various tissues.
Sena Ardicli, Ozden Cobanoglu, Ertugrul Kul, Samet Hasan Abaci, Eser Kemal Gurcan, and Soner Cankaya
Arch. Anim. Breed., 67, 455–467, https://doi.org/10.5194/aab-67-455-2024, https://doi.org/10.5194/aab-67-455-2024, 2024
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DGAT1 influences milk yield and quality. Prior studies had limitations: small sample sizes, no environmental effects, and poor lactation records. Our study of 1104 Holstein Friesian and Jersey cows used polymerase chain reaction–restriction fragment length polymorphism (PCR-RFLP) and Sanger sequencing for genotyping. We evaluate genotypic and allelic frequencies, population genetics, and phenotypic effects. Our findings offer more reliable interpretations at both phenotypic and genotypic levels.
Mária Mészárosová, Gábor Mészáros, Nina Moravčíková, Ivan Pavlík, Milan Margetín, and Radovan Kasarda
Arch. Anim. Breed., 67, 373–381, https://doi.org/10.5194/aab-67-373-2024, https://doi.org/10.5194/aab-67-373-2024, 2024
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The Original Valachian sheep is a Slovak national breed and is well adapted to living in high-altitude pastures. The breed is currently endangered, and there is a lot of interest from breeders in understanding its characteristics, particularly with regards to horn and wool traits. We found specific genes associated with these traits, which can be very important for breeders who are working to preserve this endangered breed.
Eymen Demir
Arch. Anim. Breed., 67, 353–360, https://doi.org/10.5194/aab-67-353-2024, https://doi.org/10.5194/aab-67-353-2024, 2024
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In this study, genetic bottleneck and migration events among Hair, Honamlı, Kabakulak, and Norduz populations were assessed using 28 highly polymorphic microsatellite loci. No evidence of a genetic bottleneck was detected in Anatolian goats using both quantitative and qualitative approaches. No migration to Norduz was observed, indicating that this breed has become genetically distinct due to geographic isolation. These results may serve to carry out better management practices.
Ahmed M. Abdel-Ghany, Salah A. El-Mansy, Dalal S. Alshaya, Nora M. Al Aboud, and Mahmoud G. Gharib
Arch. Anim. Breed., 67, 335–342, https://doi.org/10.5194/aab-67-335-2024, https://doi.org/10.5194/aab-67-335-2024, 2024
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The objective of this study was to evaluate heterosis, general combining ability (GCA), maternal ability (MA), and sex-linked effects (SL) for growth performance from weaning (4 weeks) up to marketing age (12 weeks) , using a complete 3 x 3 diallel crossing experiment in three different breeds of rabbits: one native Egyptian breed (Baladi Red, RR) and two exotic (Bauscat, BB, and Californian, CC).
Asep Setiaji, Dela Ayu Lestari, Nuruliarizki Shinta Pandupuspitasari, Ikania Agusetyaningsih, Sutopo Sutopo, and Edy Kurnianto
Arch. Anim. Breed., 67, 231–236, https://doi.org/10.5194/aab-67-231-2024, https://doi.org/10.5194/aab-67-231-2024, 2024
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This study examines the crossbreeding of Indonesian local rabbits with imported breeds, highlighting the heterosis effects. Crossbred rabbits, especially Rex descendants, show notable growth benefits. Based on the results, we advocate for strategic crossbreeding to enhance rabbit growth and offer insights into sustainable rabbit production.
Sena Ardicli, Özgür Aldevir, Emrah Aksu, Kerem Kucuk, and Ahmet Gümen
Arch. Anim. Breed., 67, 61–71, https://doi.org/10.5194/aab-67-61-2024, https://doi.org/10.5194/aab-67-61-2024, 2024
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Genetic selection based on bovine casein variants, especially for A2 milk, is a scorching topic in animal breeding and genetics. Our study assessed the genotypic/allelic frequencies, population genetics, diversity parameters, and relationship between genotypes and breeding values with respect to two casein genes, CSN2 and CSN3 in Holstein Friesian cows. The present results are critical for evaluating the genetic merit of cows in commercial dairy cattle breeding.
Yu Zhang, Jinhua Lai, Xiaoyi Wang, Mingli Li, Yanlin Zhang, Chunlv Ji, Qiang Chen, and Shaoxiong Lu
Arch. Anim. Breed., 66, 357–368, https://doi.org/10.5194/aab-66-357-2023, https://doi.org/10.5194/aab-66-357-2023, 2023
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Litter traits are key indicators of the reproductive productivity of sows. In the present study, four litter traits (total number born, number born alive, piglets born dead, and litter weight born alive) were explored. Several candidate genes were identified by a genome-wide association study and selective sweep analysis. These findings provide novel insights into the genetic basis of pig litter traits and will be helpful for improving molecular breeding in pigs.
Samet Çinkaya and Mustafa Tekerli
Arch. Anim. Breed., 66, 325–333, https://doi.org/10.5194/aab-66-325-2023, https://doi.org/10.5194/aab-66-325-2023, 2023
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This study was carried out to estimate variance components using a univariate animal model accounting for maternal effect by the restricted maximum likelihood (REML) method. Some environmental factors affecting body measurements and ultrasound carcass traits in yearling Anatolian buffalo calves were highlighted for the successful selection program. Genetic and phenotypic correlations and selection responses were also revealed in this study.
Petya Zhelyazkova, Doytcho Dimov, and Sreten Andonov
Arch. Anim. Breed., 66, 253–263, https://doi.org/10.5194/aab-66-253-2023, https://doi.org/10.5194/aab-66-253-2023, 2023
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The aims of this study were to estimate the genetic parameters of test day milk yield in the population of the White Maritza sheep breed and to choose the most appropriate linear models for genetic-parameter estimation of test day milk yield. Nine test day models were formulated and tested for the estimation of genetic parameters of milk yield. To compare the linear models described above, Akaike information criterion, Bayesian information criterion and log-likelihood were calculated.
Abdelbaki Bouhali, Abdelkader Homrani, Nuno Ferrand, Susana Lopes, and Ahmed Mostafa Emam
Arch. Anim. Breed., 66, 207–215, https://doi.org/10.5194/aab-66-207-2023, https://doi.org/10.5194/aab-66-207-2023, 2023
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The current study aims to investigate the genetic diversity of native Algerian rabbit populations at 25 different geographic locations belonging to 7 regions using 85 microsatellite markers. According to the discovered results, high diversity was recorded in the south. In addition, the results noticed a high degree of geographical distribution (east, west, middle, and south). Generally, the current study records a high internal-breeding factor, although the samples were collected randomly.
Boko Michel Orounladji, Venant Houndonougbo, Mahugnon Santoze Adido, Aïcha Edith Soara, Blaise Arnaud Hako Touko, Christophe A. A. M. Chrysostome, and Koffi Tozo
Arch. Anim. Breed., 66, 183–195, https://doi.org/10.5194/aab-66-183-2023, https://doi.org/10.5194/aab-66-183-2023, 2023
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This paper reports on the genetic diversity parameters of 12 Beninese indigenous guinea fowl phenotypes distributed in three climatic zones. More information has been provided through the results on genetic conservation and adaptability of the phenotypes to the local environment under climate change's continuous impact.
Fatma Yardibi, Chaomei Chen, Mehmet Ziya Fırat, Burak Karacaören, and Esra Süzen
Arch. Anim. Breed., 66, 163–181, https://doi.org/10.5194/aab-66-163-2023, https://doi.org/10.5194/aab-66-163-2023, 2023
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This study is a bibliometric study of animal breeding value. Bibliometric analysis is the widely accepted method for assessing the merits of a specific field. This study provides an excellent guide for further studies by revealing general development trends, hot topics, and research boundaries over the past 20 years. It is possible to say that future studies will focus on innovative issues that may have limited environmental impacts while reducing costs and accelerating livestock productivity.
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Short summary
Understanding genetic diversity is essential for improving breeding strategies. This study examined the genetic diversity and population structure of local goats from northwestern Tunisia using seven microsatellite markers. The results revealed high genetic variability, with an average of 18 alleles per marker and a total of 123 alleles across six populations.
Understanding genetic diversity is essential for improving breeding strategies. This...
