Polymorphisms in the MTRN1A gene and their effects on the productive and reproductive traits in buffaloes |
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| Authors: | Larissa Zetouni Gregório Miguel Ferreira de Camargo Patricia Dias da Silva Fonseca Diercles Francisco Cardoso Fernanda Maria Monsalves Gil Naudin Alejandro Hurtado-Lugo Rusbel Raul Aspilcueta-Borquis Marcelo Cervini Humberto Tonhati |
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| Institution: | 1. Animal Science Department, S?o Paulo State University, Via de acesso Professor Paulo Donato Castelane, 14884-900, Jaboticabal, S?o Paulo, Brazil
2. Southwest Bahia State University, Jequié, Bahia, Brazil
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| Abstract: | The main environmental factor that affects the regulation of reproductive seasonality is photoperiod through its effects on melatonin secretion. The melatonin receptor MTRN1A appears to be involved in regulating the reproductive seasonality and milk production in the period. The aim of this study was to identify polymorphisms in the MTRN1A gene and their possible associations with milk, fat and protein productions, fat and protein percentages, age at first calving, and first calving interval in buffaloes. Three genotypes (CC, CT, and TT) were identified by PCR-RFLP, and there was a significant association with protein percentage (P?<?0.0001). Further studies are necessary to better understand the influence of melatonin gene and their receptors in the productive functions of buffaloes. |
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