8 documents found, page 1 of 1
Unravelling gene switches for the regulation of litter size through the study o...
Varela-Martínez, E; Tadeu-Querido, B; Teixeira, F; Ferreira-Dias, G; Lopes, J; Bettencourt, E; Valente, P; Gonçalves, MS; Gama, LT; Bettencourt, CBetween 2012 and 2022, the genetic potential for total number of born piglets increased 2.8 per litter in commercial pigs. Alentejano pigs, from Southern Portugal, have low litter size with an average of 5 piglets providing an opportunity to investigate different gene interactions related with litter size and characterize the biological mechanisms associated with this trait. An experiment was carried out to inv...
Whole-genome sequencing of Landim pigs of Mozambique reveals a close relationsh...
Teixeira, F; Sá, P; Garrine, C; Zimba, R; Souza, L; Chiaia, H; Leitão, A; Cordeiro, JM; Gama, LT; Amaral, AJLandim pigs, a population of native pigs from Mozambique are currently threatened by the recent introduction of European exotic breeds. Like most African pig populations, Landim pigs have never been characterized at the genome level and are well adapted to harsh conditions which include adaptation to endemic diseases. In this study, we provide a comprehensive genetic characterization of Landim pigs using whole-...
Whole-genome sequencing of Landim pigs of Mozambique reveals a close relationsh...
Teixeira, F; Sá, P; Santos, D; Garrine, C; Zimba, L; Souza, L; Chiaia, H; Leitão, L; Cordeiro, JM; Gama, LT; Amaral, AJLandim pigs, a population of native pigs from Mozambique are currently threatened by the recent introduction of European exotic breeds. Like most African pig populations, Landim pigs have never been characterized at the genome level and are well adapted to harsh conditions which include adaptation to endemic diseases. In this study, we provide a comprehensive genetic characterization of Landim pigs using whole-...
GWAS analysis of coccidiosis resistance in Portuguese Merino sheep
Varela Martínez, E; Afonso, A; Mainou, D; Teixeira, F; Nunes, T; Vieira, P; Sarraguça, I; Martins, C; Campbell, N; Silva, RC; Perloiro, T; Carvalho, LMThe purpose of this study was to identify genomic regions associated with resistance to coccidiosis by conducting a genome-wide association study (GWAS) in Portuguese Merino sheep. Coccidiosis is a parasitic disease caused by protozoa of the genus Eimeria. Although coccidial infection is often asymptomatic in sheep, both clinical and subclinical forms of the disease can result considerable production losses, ma...
Genetic signatures of selection in southern Angolan sheep unravel adaptation fo...
Teixeira, F; Chiaia, H; Sebastino, K; Gaspar, J; Afonso, P; Ngola, S; Simão, C; Casimiro, J; Pires, J; Miguel, A; Dala, E; Pires, M; Nanga, P; Santos, DNatural and artificial selection in African sheep populations has left distinctive genomic signatures. In southern Angola, pastoralist tribes breed fat-tailed sheep adapted to arid and mesic savannas for protein and cultural purposes. This study aims to identify candidate genes associated with productivity and adaptation in these sheep. We sequenced genomes from Namibe (n = 3) and Cunene (n = 5) and compared th...
The Pecari tajacu genome: A tool for its conservation and the study of the Suoi...
Amaral, AJ; Eory, L; Santos, D; Toral, FLB; Delgado, I; Leitão, A; Gama, LT; Archibald, ALThe goal of this study is the development of a high-quality assembly for the Pecari tajacu species. The Suoidea superfamily groups 2 families: Suidae and Tayassuidae. Suidae species inhabit Africa and Eurasia, occupying a wide range of habitats. The same applies to the Tayassuidae species that live in the Americas and were the first from Suoidea to diverge from their common ancestor in North America ~36 Ma. Lin...
Unraveling gene switches for the regulation of litter size through the study of...
Varela-Martínez, V; Tadeu, B; Teixeira, F; Ferreira-Dias, G; Lopes, J; Bettencourt, E; Valente, P; Gonçalves, MS; Gama, LT; Bettencourt, C; Branco, SBetween 2012 and 2022, the genetic potential for total number of born increased by 2.8 piglets per litter in commercial pigs, for which litter size ranges 13–16 piglets. Conversely, Alentejano pigs, a local breed from Portugal, has an average of 5 piglets, providing an opportunity to investigate different gene interactions related with litter size, and to characterize the biological mechanisms associated with t...
Prevalence and Characteristics of Osteochondrosis in Lusitano Purebred Horses
Coelho Ramos, AS; Pinto, A; Crespo, J; Marques, JP; Bettencourt, E; Gama, LT; Monteiro, SObjectives: This is the first comprehensive study in Lusitanos that aims to study the radiographic prevalence and localisation of osteochondrosis in different joints. Methods: A radiographic protocol of the metacarpo/ metatarsophalangeal, tarsocrural and femoropatellar joints was done in 302 Lusitanos, and findings were clas- sified using a 0-4 scale: 0 - normal joint contours; 1 – minimal (minimal and smooth f...