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British Sheep Breeds as a Part of World Sheep Gene Pool Landscape: Looking into Genomic Applications. Animals (Basel) 2021; 11:ani11040994. [PMID: 33916207 PMCID: PMC8103502 DOI: 10.3390/ani11040994] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 03/27/2021] [Accepted: 03/29/2021] [Indexed: 01/18/2023] Open
Abstract
Sheep farming has been an important sector of the UK's economy and rural life for many centuries. It is the favored source of wool, meat and milk products. In the era of exponential progress in genomic technologies, we can now address the questions of what is special about UK sheep breed genotypes and how they differ genetically form one another and from other countries. We can reflect how their natural history has been determined at the level of their genetic code and what traces have been left in their genomes because of selection for phenotypic traits. These include adaptability to certain environmental conditions and management, as well as resistance to disease. Application of these advancements in genetics and genomics to study sheep breeds of British domestic selection has begun and will continue in order to facilitate conservation solutions and production improvement.
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Armstrong E, Ciappesoni G, Iriarte W, Da Silva C, Macedo F, Navajas EA, Brito G, San Julián R, Gimeno D, Postiglioni A. Novel genetic polymorphisms associated with carcass traits in grazing Texel sheep. Meat Sci 2018; 145:202-208. [PMID: 29982074 DOI: 10.1016/j.meatsci.2018.06.014] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Revised: 05/11/2018] [Accepted: 06/12/2018] [Indexed: 11/26/2022]
Abstract
Improving meat production traits has increased its importance in sheep breeding. We report novel associations of SNP present in genes related to lipid metabolism and growth with several carcass traits in purebred Texel lambs. Expected progeny differences (EPD) predictions from 461 animals from the Central Progeny Testing of Texel breed in Uruguay were used for the association analysis. Live weights at different stages, ultrasound and post-mortem traits were analyzed. Markers in several genes were associated with growth, carcass and meat quality traits. Among others: PPARGC1A with valuable cuts weight, hot carcass weight and carcass fatness; DGAT1 with live weights, fat thickness, rib-eye area and shoulder weight; CAST with birth weight and fat thickness; GHR with birth weight and carcass fatness, and GHRHR with live weights and fat thickness. Genotypic effects ranged from 0.035 to 0.923 (DGAT1 vs. weaning weight) units of phenotypic SD. Most of the associations described are novel in sheep breeding, deserving further analyses.
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Affiliation(s)
- E Armstrong
- Departamento de Genética y Mejora Animal, Facultad de Veterinaria, Universidad de la República, Av. Lasplaces 1550, Montevideo, Uruguay.
| | - G Ciappesoni
- Programa Nacional de Carne y Lana, Instituto de Investigación Agropecuaria, Las Brujas, Ruta 48 km. 10, Canelones, Uruguay
| | - W Iriarte
- Departamento de Genética y Mejora Animal, Facultad de Veterinaria, Universidad de la República, Av. Lasplaces 1550, Montevideo, Uruguay
| | - C Da Silva
- Departamento de Genética y Mejora Animal, Facultad de Veterinaria, Universidad de la República, Av. Lasplaces 1550, Montevideo, Uruguay
| | - F Macedo
- Departamento de Genética y Mejora Animal, Facultad de Veterinaria, Universidad de la República, Av. Lasplaces 1550, Montevideo, Uruguay
| | - E A Navajas
- Unidad de Biotecnología, Instituto de Investigación Agropecuaria, Las Brujas, Ruta 48 km 10, Canelones, Uruguay
| | - G Brito
- Laboratorio de Calidad de la Canal y la Carne, Instituto de Investigación Agropecuaria, Ruta 5 km. 386, Tacuarembó, Uruguay
| | - R San Julián
- Laboratorio de Calidad de la Canal y la Carne, Instituto de Investigación Agropecuaria, Ruta 5 km. 386, Tacuarembó, Uruguay
| | - D Gimeno
- Área Investigación y Desarrollo, Secretariado Uruguayo de la Lana, Cno. Gral Servando Gomez 2408, Montevideo, Uruguay
| | - A Postiglioni
- Departamento de Genética y Mejora Animal, Facultad de Veterinaria, Universidad de la República, Av. Lasplaces 1550, Montevideo, Uruguay
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Chessa S, Giambra IJ, Brandt H, Caroli AM, Gootwine E, Erhardt G. Genetic diversity within economically important loci in European, Middle Eastern, and African sheep breeds: An insight into their development. Small Rumin Res 2017. [DOI: 10.1016/j.smallrumres.2017.08.021] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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Ibrahim MF, Ahmed MD, Hassan RD, AbdelAziz KB, Ramadan, Mohamed MI, Othman EO. Polymorphism of growth hormone gene and its association with wool traits in Egyptian sheep breeds. ACTA ACUST UNITED AC 2016. [DOI: 10.5897/ajb2015.14928] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Larruskain A, Esparza-Baquer A, Minguijón E, Juste RA, Jugo BM. SNPs in candidate genesMX dynamin-like GTPaseandchemokine (C-C motif) receptor-5are associated with ovine pulmonary adenocarcinoma progression in Latxa sheep. Anim Genet 2015; 46:666-75. [DOI: 10.1111/age.12351] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/12/2015] [Indexed: 11/30/2022]
Affiliation(s)
- A. Larruskain
- Genetics, Physical Anthropology and Animal Physiology Department; Faculty of Science and Technology; University of the Basque Country (UPV/EHU); 48080 Bilbao Bizkaia Spain
| | - A. Esparza-Baquer
- Genetics, Physical Anthropology and Animal Physiology Department; Faculty of Science and Technology; University of the Basque Country (UPV/EHU); 48080 Bilbao Bizkaia Spain
| | - E. Minguijón
- Animal Health Department; NEIKER-Tecnalia; 48160 Derio Bizkaia Spain
| | - R. A. Juste
- Animal Health Department; NEIKER-Tecnalia; 48160 Derio Bizkaia Spain
| | - B. M. Jugo
- Genetics, Physical Anthropology and Animal Physiology Department; Faculty of Science and Technology; University of the Basque Country (UPV/EHU); 48080 Bilbao Bizkaia Spain
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Bowles D. Recent advances in understanding the genetic resources of sheep breeds locally-adapted to the UK uplands: opportunities they offer for sustainable productivity. Front Genet 2015; 6:24. [PMID: 25729388 PMCID: PMC4325934 DOI: 10.3389/fgene.2015.00024] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2014] [Accepted: 01/16/2015] [Indexed: 12/17/2022] Open
Abstract
Locally adapted breeds of livestock are of considerable interest since they represent potential reservoirs of adaptive fitness traits that may contribute to the future of sustainable productivity in a changing climate. Recent research, involving three hill sheep breeds geographically concentrated in the northern uplands of the UK has revealed the extent of their genetic diversity from one another and from other breeds. Results from the use of SNPs, microsatellites, and retrovirus insertions are reviewed in the context of related studies on sheep breeds world-wide to highlight opportunities offered by the genetic resources of locally adapted hill breeds. One opportunity concerns reduced susceptibility to Maedi Visna, a lentivirus with massive impacts on sheep health and productivity globally. In contrast to many mainstream breeds used in farming, each of the hill breeds analyzed are likely to be far less susceptible to the disease threat. A different opportunity, relating specifically to the Herdwick breed, is the extent to which the genome of the breed has retained primitive features, no longer present in other mainland breeds of sheep in the UK and offering a new route for discovering unique genetic traits of use to agriculture.
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Affiliation(s)
- Dianna Bowles
- Department of Biology, University of York York, UK ; The Sheep Trust, University of York York, UK
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Selvaggi M, Laudadio V, Dario C, Tufarelli V. Investigating the genetic polymorphism of sheep milk proteins: a useful tool for dairy production. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2014; 94:3090-3099. [PMID: 24862201 DOI: 10.1002/jsfa.6750] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2014] [Revised: 05/15/2014] [Accepted: 05/18/2014] [Indexed: 06/03/2023]
Abstract
Sheep is the second most important dairy species after cow worldwide, and especially in the Mediterranean and Middle East regions. In some countries, the difficult environmental conditions require a peculiar adaptation and, in these contexts, sheep are able to provide higher quality protein than cattle. In the least-developed countries, the amount of dairy sheep and ovine milk production is progressively increasing. In order to improve dairy productions, in particular those with local connotations, it is necessary to obtain in-depth information regarding milk quality and rheological properties. The genetic polymorphisms of milk proteins are often associated with quantitative and qualitative parameters in milk and are potential candidate markers that should be included in breeding strategies similar to those already available for cattle. Due to the current and growing interest in this topic and considering the large amount of new information, the aim of this study was to review the literature on sheep milk protein polymorphisms with a particular emphasis on recent findings in order to give scientists useful support. Moreover, the effects of different protein variants on milk yield and composition are discussed.
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Affiliation(s)
- Maria Selvaggi
- Department DETO - Section of Veterinary Science and Animal Production, University of Bari 'Aldo Moro', 70010, Valenzano (BA), Italy
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Milk protein variants are highly associated with milk performance traits in East Friesian Dairy and Lacaune sheep. Small Rumin Res 2014. [DOI: 10.1016/j.smallrumres.2014.09.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Bowles D, Carson A, Isaac P. Genetic distinctiveness of the Herdwick sheep breed and two other locally adapted hill breeds of the UK. PLoS One 2014; 9:e87823. [PMID: 24489968 PMCID: PMC3906253 DOI: 10.1371/journal.pone.0087823] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2013] [Accepted: 12/30/2013] [Indexed: 11/25/2022] Open
Abstract
There is considerable interest in locally adapted breeds of livestock as reservoirs of genetic diversity that may provide important fitness traits for future use in agriculture. In marginal areas, these animals contribute to food security and extract value from land unsuitable for other systems of farming. In England, close to 50% of the national sheep flock is farmed on grassland designated as disadvantaged areas for agricultural production. Many of these areas are in the uplands, where some native breeds of sheep continue to be commercially farmed only in highly localised geographical regions to which they are adapted. This study focuses on three of these breeds, selected for their adaptation to near identical environments and their geographical concentration in regions close to one another. Our objective has been to use retrotyping, microsatellites and single nucleotide polymorphisms to explore the origins of the breeds and whether, despite their similar adaptations and proximity, they are genetically distinctive. We find the three breeds each have a surprisingly different pattern of retrovirus insertions into their genomes compared with one another and with other UK breeds. Uniquely, there is a high incidence of the R0 retrotype in the Herdwick population, characteristic of a primitive genome found previously in very few breeds worldwide and none in the UK mainland. The Herdwick and Rough Fells carry two rare retroviral insertion events, common only in Texels, suggesting sheep populations in the northern uplands have a historical association with the original pin-tail sheep of Texel Island. Microsatellite data and analyses of SNPs associated with RXFP2 (horn traits) and PRLR (reproductive performance traits) also distinguished the three breeds. Significantly, an SNP linked to TMEM154, a locus controlling susceptibility to infection by Maedi-Visna, indicated that all three native hill breeds have a lower than average risk of infection to the lentivirus.
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Affiliation(s)
- Dianna Bowles
- Department of Biology, University of York, York, United Kingdom
- The Sheep Trust, registered charity 1094514, University of York, York, United Kingdom
- * E-mail:
| | - Amanda Carson
- The Sheep Trust, registered charity 1094514, University of York, York, United Kingdom
| | - Peter Isaac
- IDna Genetics Ltd, Norwich Research Park, Norwich, United Kingdom
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Calvo J, Dervishi E, Sarto P, González-Calvo L, Berzal-Herranz B, Molino F, Serrano M, Joy M. Structural and functional characterisation of the αS1-casein (CSN1S1) gene and association studies with milk traits in Assaf sheep breed. Livest Sci 2013. [DOI: 10.1016/j.livsci.2013.06.014] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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McNeilly TN, Rocchi M, Bartley Y, Brown JK, Frew D, Longhi C, McLean L, McIntyre J, Nisbet AJ, Wattegedera S, Huntley JF, Matthews JB. Suppression of ovine lymphocyte activation by Teladorsagia circumcincta larval excretory-secretory products. Vet Res 2013; 44:70. [PMID: 23964850 PMCID: PMC3848371 DOI: 10.1186/1297-9716-44-70] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2013] [Accepted: 07/29/2013] [Indexed: 11/20/2022] Open
Abstract
Teladorsagia circumcincta is an important pathogenic nematode of sheep. It has been demonstrated previously that stimulation of murine T lymphocytes with excretory-secretory (ES) products derived from fourth stage larvae of T. circumcincta (Tci-L4-ES) results in de novo expression of Foxp3, a transcription factor intimately involved in regulatory T cell function. In the current study, Foxp3+ T cell responses in the abomasum and the effects of Tci-L4-ES on ovine peripheral blood mononuclear cells (PBMC) following T. circumcincta infection were investigated. T. circumcincta infection resulted in a significant increase in numbers of abomasal Foxp3+ T cells, but not an increase in the proportion of T cells expressing Foxp3. Unlike in mice, Tci-L4-ES was incapable of inducing T cell Foxp3 expression but instead suppressed mitogen-induced and antigen-specific activation and proliferation of ovine PBMC in vitro. This effect was heat labile, suggesting that it is mediated by protein(s). Suppression was associated with up-regulation of interleukin-10 (IL-10) mRNA, and specific monoclonal antibody neutralisation of IL-10 resulted in a 50% reduction in suppression, indicating involvement of the IL-10 signaling pathway. Suppression was significantly reduced in PBMC isolated from T. circumcincta infected vs. helminth-naïve lambs, and this reduction in suppression was associated with an increase in Tci-L4-ES antigen-specific T cells within the PBMC. In conclusion, we have identified a mechanism by which T. circumcincta may modulate the host adaptive immune response, potentially assisting survival of the parasite within the host. However, the impact of Tci-L4-ES-mediated lymphocyte suppression during T. circumcincta infection remains to be determined.
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Affiliation(s)
- Tom N McNeilly
- Moredun Research Institute, Pentlands Science Park, Bush Loan, Penicuik EH26 0PZ, UK.
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Sztankóová Z, Kyselová J, Rychtářová J, Czerneková V. Technical note: A novel method for routine genotyping of the G allele of β-casein (CSN2) and T allele of κ-casein (CSN3) in a sheep population using LightCycler1. J Anim Sci 2011; 89:3843-5. [DOI: 10.2527/jas.2011-4054] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
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Pariset L, Mariotti M, Gargani M, Joost S, Negrini R, Perez T, Bruford M, Ajmone Marsan P, Valentini A. Genetic diversity of sheep breeds from Albania, Greece, and Italy assessed by mitochondrial DNA and nuclear polymorphisms (SNPs). ScientificWorldJournal 2011; 11:1641-59. [PMID: 22125424 PMCID: PMC3201683 DOI: 10.1100/2011/186342] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2011] [Revised: 07/30/2011] [Accepted: 08/08/2011] [Indexed: 11/17/2022] Open
Abstract
We employed mtDNA and nuclear SNPs to investigate the genetic diversity of sheep breeds of three countries of the Mediterranean basin: Albania, Greece, and Italy. In total, 154 unique mtDNA haplotypes were detected by means of D-loop sequence analysis. The major nucleotide diversity was observed in Albania. We identified haplogroups, A, B, and C in Albanian and Greek samples, while Italian individuals clustered in groups A and B. In general, the data show a pattern reflecting old migrations that occurred in postneolithic and historical times. PCA analysis on SNP data differentiated breeds with good correspondence to geographical locations. This could reflect geographical isolation, selection operated by local sheep farmers, and different flock management and breed admixture that occurred in the last centuries.
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Affiliation(s)
- Lorraine Pariset
- Department for Innovation in Biological, Agro-Food and Forest Systems, Tuscia University, 01100 Viterbo, Italy.
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Hoda A, Hykaj G, Sena L, Delia (Veizaj) E. Population structure in three Albanian sheep breeds using 36 single nucleotide polymorphisms. ACTA AGR SCAND A-AN 2011. [DOI: 10.1080/09064702.2010.542250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Crisà A, Marchitelli C, Pariset L, Contarini G, Signorelli F, Napolitano F, Catillo G, Valentini A, Moioli B. Exploring polymorphisms and effects of candidate genes on milk fat quality in dairy sheep. J Dairy Sci 2010; 93:3834-45. [PMID: 20655453 DOI: 10.3168/jds.2009-3014] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2009] [Accepted: 04/13/2010] [Indexed: 11/19/2022]
Abstract
The aim of the present study was to investigate the genetic control of the fatty acid (FA) composition in milk from 3 breeds of sheep: Altamurana, Gentile di Puglia, and Sarda. Single nucleotide polymorphisms within genes, encoding enzymes putatively involved in the synthesis and metabolism of milk fat, were selected for analysis, and the allele substitution effects were determined for 16 genes, which were polymorphic in the 3 sheep breeds, upon the milk fat composition. Four genes (alpha-1-antichymotrypsin-2; diacylglycerol O-acyltransferase homolog-2; propionyl Coenzyme A carboxylase, beta polypeptide; and insulin-like growth factor-I) play a role in the desaturation of stearic FA into polyunsaturated fatty acids. Furthermore, 2 genes (growth hormone receptor and zona pellucida glycoprotein-2) affect the variability of the total fat content in addition to the butyric and stearic FA profile, and the fatty acid synthetase gene has an influence on the medium-chain FA. Milk FA profiles play an important role in dairy sheep farming because they have a large effect on cheese characteristics and also because sheep milk may be marketed as a source of nutraceuticals because it contains higher levels of conjugated linoleic acid than milk from other ruminants. The current study evaluated the global effects of a large number of single nucleotide polymorphisms and haplotypes on traits that are not commonly investigated in sheep but that are potentially very useful for improving milk quality.
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Affiliation(s)
- A Crisà
- Consiglio per la Ricerca e la Sperimentazione in Agricoltura, 00015 Monterotondo, Italy
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Bai WL, Yin RH, Dou QL, Yang JC, Zhao SJ, Ma ZJ, Yin RL, Luo GB, Zhao ZH. A single nucleotide polymorphism and sequence analysis of CSN1S1 gene promoter region in Chinese Bos grunniens (yak). Anim Biotechnol 2010; 21:36-41. [PMID: 20024785 DOI: 10.1080/10495390903340004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The aim of this study was to investigate the polymorphism of the CSN1S1 gene promoter region in 4 Chinese yak breeds, and compare the yak CSN1S1 gene promoter region sequences with other ruminants. A Polymerase Chain Reaction-Single Strand Conformation Polymorphism protocol was developed for rapid genotyping of the yak CSN1S1 gene. One hundred fifty-eight animals from 4 Chinese yak breeds were genotyped at the CSN1S1 locus using the protocol developed. A single nucleotide polymorphism of the CSN1S1 gene promoter region has been identified in all yak breeds investigated. The polymorphism consists of a single nucleotide substitution G-->A at position 386 of the CSN1S1 gene promoter region, resulting in two alleles named, respectively, G(386) and A(386), based on the nucleotide at position 386. The allele G(386) was found to be more common in the animals investigated. The corresponding nucleotide sequences in GenBank of yak (having the same nucleotides as allele G(386) in this study), bovine, water buffalo, sheep, and goat had similarity of 99.68%, 99.35%, 97.42%, 95.14%, and 94.19%, respectively, with the yak allele A(386.).
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Affiliation(s)
- W L Bai
- College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, China
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Chessa S, Rignanese D, Berbenni M, Ceriotti G, Martini M, Pagnacco G, Caroli A. New genetic polymorphisms within ovine β- and αS2-caseins. Small Rumin Res 2010. [DOI: 10.1016/j.smallrumres.2009.12.014] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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