Samuel Sosa
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Animal Science Researcher
Provincia de Panama, Panama
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USD3.8K/month
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Jobs
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Research TechnicianUniversitat Politècnica de ValènciaJan 2016 - Jan 2020 (4 years 1 month)- Coordinator and Supervisor of Agricultural Production ProgramFundación Pro Niños de DariénJul 2011 - Sep 2014 (3 years 3 months)
- SSales RepresentativeAug 2010 - Feb 2011 (7 months)
- SSupervisor of Poultry Slaughter and ProcessingApr 2010 - Jul 2010 (4 months)
- Teaching AssistantUniversidad de PanamaJul 2009 - Dec 2009 (6 months)
Education
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- PhD in Animal Production Science and Technology: Animal Breeding and GeneticsUniversitat Politècnica de ValènciaNov 2015 - Apr 2020 (4 years 6 months)
- Master Degree in Animal Breeding and Reproduction BiotechnologyUniversitat Politècnica de ValènciaOct 2014 - Oct 2016 (2 years 1 month)
- Postgraduate Specialization in Higher EducationUniversidad del IstmoSep 2010 - May 2011 (9 months)
- Bachelor Degree in Zootechnical Agricultural Engineering (Animal Production)Universidad de PanamaFeb 2004 - Nov 2009 (5 years 10 months)
Publications
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- The effect of divergent selection for intramuscular fat in the domestic rabbit genome.Universitat Politècnica de ValènciaNov 2020- first author, to analyse data and to write a scientific research article. An experiment of divergent selection for intramuscular fat was carried out at Universitat Politècnica de València. The high response of selection in intramuscular fat content, after nine generations of selection, and a multidimensional scaling analysis showed a high degree of genomic differentiation between the two divergent populations. Therefore, local genomic differences could link genomic regions, encompassing selective sweeps, to the trait used as selection criterion. In this sense, the aim of this study was to identify genomic regions related to intramuscular fat through three methods for detection of selection signatures and to generate a list of candidate ge
- Novel Genomic Regions Associated with Intramuscular Fatty Acid Composition in Rabbits.Universitat Politècnica de ValènciaNov 2020- second author, to supervise analyses, to design method and to edit a scientific research article. A divergent selection experiment on intramuscular fat (IMF) content was carried out during nine generations in rabbits. The IMF content was successfully improved through generations. Besides, selection for IMF content generated a correlated response on its composition. Association analyses were performed to understand the genetic background of IMF composition using two rabbit lines divergently selected for IMF content. Several genomic regions and genes were identified, revealing the polygenic nature of the intramuscular fatty acid composition in rabbits.
- A genomewide association study in divergently selected lines in rabbits reveals novel genomic regionsUniversitat Politècnica de ValènciaMar 2020- first author, to analyse data and to write a scientic research article. terine capacity (UC), defined as the total number of kits from unilaterally ovariectomized does at birth, has a high genetic correlation with litter size. The aim of our research was to identify genomic regions associated with litter size traits through a genomewide association study using rabbits from a divergent selection experiment for UC. A high-density SNP array (200K) was used to genotype 181 does from a control population, high and low UC lines. Traits included total number born (TNB), number born alive (NBA), number born dead, ovulation rate (OR), implanted embryos (IE) and embryo, foetal and prenatal survivals at second parity. We implemented the Bayes B met
- Genomic regions influencing intramuscular fat in divergently selected rabbit linesUniversitat Politècnica de ValènciaFeb 2020- first author, to analyse data and to write a scientific research article. Intramuscular fat (IMF) is one of the main meat quality traits for breeding programmes in livestock species. The main objective of this study was to identify genomic regions associated with IMF content comparing two rabbit populations divergently selected for this trait, and to generate a list of putative candidate genes. Animals were genotyped using the Affymetrix Axiom OrcunSNP Array (200k). After quality control, the data involved 477 animals and 93 540 SNPs. Two methods were used in this research: single marker regressions with the data adjusted by genomic relatedness, and a Bayesian multiple marker regression. Associated genomic regions were located on the rabb