Nutritional characteristics of BMR mutant and normal sorghum genotypes used for cutting and grazing



Document title: Nutritional characteristics of BMR mutant and normal sorghum genotypes used for cutting and grazing
Journal: Acta scientiarum. Animal sciences
Database: PERIÓDICA
System number: 000384361
ISSN: 1806-2636
Authors: 1
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2
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Institutions: 1Universidade Estadual de Montes Claros, Departamento de Zootecnia, Janauba, Minas Gerais. Brasil
2Empresa Brasileira de Pesquisa Agropecuaria, Centro Nacional de Pesquisa de Milho e Sorgo, Sete Lagoas, Minas Gerais. Brasil
Year:
Season: Jul-Sep
Volumen: 36
Number: 3
Pages: 259-264
Country: Brasil
Language: Inglés
Document type: Artículo
Approach: Experimental
English abstract This study evaluated the nutritional characteristics of BMR mutant and normal sorghum genotypes, eleven BMR mutants and nine normal. Seeds were sown in a randomized block design with three blocks, in which each genotype was a treatment. The nutritional characteristics were analyzed at 42 days of regrowth after the first cut, determined for DM, EE, ash, CP, NDIN, NIDA, NDF, ADF, NFC, CT, HCEL, CEL and NGLs. Regarding DM, EE, ash, NDIN, NIDA, NDF, FDA and HCEL, there were no differences between genotypes. As for CP, there we re differences, with mean levels ranging from 9.77% for BR001AXTX2785bmr to 16.45% for BR001AxTX2784. Considering CT and NFC, there were differences in the mean levels that ranged from 75.21 to 83.28% for BR007AxTX2785bmr and BR001AXTX2785bmr, and from 17.46 to 25.51% for CMSXS156AxTX2785bmr and IS10428xTX2784, respectively. In relation to CEL and LGN significant difference were detected, the mean levels varied between 22.30 and 27.94% for the IS10428xTX2784 and TX 635AxTX2785bmr, and from 3.08 to 7.31% for BR007AxTX2785bmr and BR001AxTX2784, resp ectively. The genotypes IS10428xTX2784 and BR007AxTX2784 are the most suitab le for use in ruminant feed
Portuguese abstract Objetivou-se avaliar as características nutricionais de genótipo s de sorgo mutantes BMR e normais, sendo onze mutantes BMR e nove normais. A semeadura foi realizada em blocos casualizados, com três blocos onde cada genótipo foi um tratamento . As características nutricionais foram analisadas aos 42 dias de rebrotação após o primeiro corte, sendo determinados os teores de MS, EE, cinzas, PB, NIDN, NIDA, FDN, FDA, CNF, CT, HCEL, CEL e LGN. Em relação à MS, ao EE, às cinzas, ao NIDN, ao NIDA, à FDN, à FDA e à HCEL, não houve diferença entre os genótipos. Quanto à PB, houve diferença, cujos teores médios oscilaram de 9,77% para o BR001AXTX2785bmr a 16,45% para o BR001AxTX2784. Em relação aos CT e CNF, houve diferença, os teores médios variaram de 75,21% para o BR007AxTX2785bmr a 83,28% para o BR001AXT X2785bmr e de 17,46 a 25,51% para o CMSXS156AxTX2785bmr e IS10428xTX2784, respectivamente. Quanto à CEL e LGN houve diferença, os teores médios variaram de 22,30% para o IS10428xTX2784 a 27,94% para o TX635AxTX2785bmr e de 3,08% para o BR007AxTX2785bmr a 7,31% para o BR001AxTX2784, respectiva mente. Os genótipos IS10428xTX2784 e o BR007AxTX2784 são os mais indicados pa ra se utilizar na alim entação de ruminantes
Disciplines: Agrociencias,
Medicina veterinaria y zootecnia
Keyword: Fitotecnia,
Nutrición animal,
Zootecnia,
Forraje,
Genotipos,
Pastoreo,
Sorgo
Keyword: Agricultural sciences,
Veterinary medicine and animal husbandry,
Crop husbandry,
Animal husbandry,
Animal nutrition,
Feedstuff,
Genotypes,
Grazing,
Sorghum
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