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| Curi,Rogério A.; Oliveira,Henrique N. de; Gimenes,Marcos A.; Silveira,Antonio C.; Lopes,Catalina R.. |
| The objective of the present study was to estimate the allele and genotype frequencies of the CSN3/HinfI and LGB/HaeIII gene polymorphisms in beef cattle belonging to different genetic groups, and to determine the effects of these polymorphisms on growth and carcass traits in these animals, which are submitted to an intensive production model. Genotyping was performed on 79 Nelore, 30 Canchim (5/8 Charolais + 3/8 Zebu) and 275 crossbred cattle originating from the crosses of Simmental (n = 30) and Angus (n = 245) sires with Nelore females. Body weight, weight gain, dressing percentage, longissimus dorsi area and backfat thickness were fitted using the GLM procedure, and least square means of the genotypes were compared by the F test. The results showed... |
| Tipo: Info:eu-repo/semantics/other |
Palavras-chave: Beef cattle; Polymorphisms; Candidate gene; Growth; Carcass. |
| Ano: 2005 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572005000200015 |
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| Curi,Rogério A.; Palmieri,Darío A.; Suguisawa,Liliane; Oliveira,Henrique N. de; Silveira,Antonio C.; Lopes,Catalina R.. |
| The objectives of the present study were to estimate the allele and genotype frequencies of the GH1/Alu I and POU1F1/Hinf I polymorphisms in beef cattle belonging to different genetic groups and to determine the effects of these polymorphisms on growth and carcass traits in cattle submitted to feedlot management, an intensive production model. Genotyping was performed on 384 animals, including 79 Nellore, 30 Canchim (5/8 Charolais + 3/8 Zebu), 30 Simmental x Nellore crossbred and 245 Angus x Nellore crossbred cattle. Body weight, weight gain, dressing percentage, Longissimus dorsi area and backfat thickness were fitted using the General Linear Model (GLM) procedure of the SAS program and the least square means of the genotypes were compared using the F... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Beef cattle; Polymorphisms; Candidate gene; Growth; Carcass. |
| Ano: 2006 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572006000100012 |
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| Gimenes,Marcos A.; Lopes,Catalina R.; Valls,Jose F.M.. |
| Amplified Fragment Length Polymorphism (AFLP) was used to establish the genetic relationships among 20 species from seven of the nine sections of genus Arachis. The level of polymorphism among nine accessions of the cultivated peanut, A. hypogaea L., was also evaluated. Three combinations of primers were used to amplify the AFLPs. The fragments were separated in 6% denaturing acrylamide gels. A total of 408 fragments were analyzed. An average of 135.3 fragments per primer combination were scored, and the largest number of fragments was 169 using primer combination Eco RI - ACC / Mse I - CTG, while the lowest was 108, with Eco RI - ACT / Mse I - CTT. In general, the genetic relationships established using AFLPs agreed with the classification established... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: AFLP; Arachis; Peanut; Taxonomic relationship. |
| Ano: 2002 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572002000300017 |
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