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- Title
ASSOCIATION OF MICROSATELLITE MARKERS WITH PRODUCTION TRAITS IN SANTA INÊS AND CROSSBRED SHEEP.
- Authors
Petroli, Cesar Daniel; Paiva, Samuel Rezende; do Prado Paim, Tiago; McManus, Concepta Margaret
- Abstract
The objective of this work was to associate alleles of 13 microsatelite loci located on sheep chromosome 20 (Major Histocompatibility Complex) with performance and carcass traits as well as resistance to gastrointestinal parasites in 138 pure Santa Inês sheep and their crosses with Bergamasca, Texel and Ile de France. The following loci were selected: BM1818, OarCP73, OarHH56, DYA, OLADRB, CP101, OMHC1, DQA2, DQA1, TFAP2A, DQBA27, Bf94_1, and INRA132. Data were analysed in Cervus and SAS ® to determine heterozygosity levels and associations of markers with weight and carcass traits as well as faecal egg count. The markers used demonstrated high genetic variability between the individuals. For carcass traitss, eight significant associations (p<0.05) were observed, as well as a positive association between fecal egg count and two markers on the ovine MHC.
- Subjects
MICROSATELLITE repeats; SHEEP diseases; CHROMOSOME abnormalities; GASTROINTESTINAL diseases; ANIMAL carcasses; CERVUS
- Publication
Archives of Veterinary Science, 2014, Vol 19, Issue 1, p7
- ISSN
1517-784X
- Publication type
Article
- DOI
10.5380/avs.v19i1.31873