Chemical composition and in situ degradability of silages from dual-purpose sorghum hybrids

被引：1

作者：

da Silva, Alex Lopes ^{[1
]}

Edvan, Ricardo Loiola ^{[2
]}

Bezerra, Leilson Rocha ^{[3
]}

Ratke, Rafael Felippe ^{[4
]}

Santos Rodrigues, Jose Avelino ^{[5
]}

Amorim, Diego Sousa ^{[6
]}

do Nascimento, Romilda Rodrigues ^{[7
]}

de Araujo, Marcos Jacome ^{[2
]}

机构：

[1] Univ Fed Paraiba, Programa Doutorado Integrado Zootecnia, UFPB, Dept Zootecnia, Areia, PB, Brazil

[2] Univ Fed Piaui, UFPI, Dept Zootecnia, Bom Jesus, PI, Brazil

[3] Univ Fed Campina Grande, Ctr Saude & Tecnol Rural, Patos de Minas, PB, Brazil

[4] Univ Fed Mato Grosso do Sul, UFMS, Dept Agron, Chapadao Do Sul, MS, Brazil

[5] EMBRAPA Milho & Sorgo, Empresa Brasileira Pesquisa Agr, Sete Lagoas, MG, Brazil

[6] Univ Fed Ceara, Dept Zootecnia, Programa Doutorado Integrado Zootecnia, Fortaleza, Ceara, Brazil

[7] UFCG, Ctr Saude & Tecnol Rural, Programa Posgrad Ciencia Anim, Curso Mestrado, Patos de Minas, PB, Brazil

来源：

SEMINA-CIENCIAS AGRARIAS | 2019年 / 40卷 / 04期

关键词：

Crude protein; Forage conservation; Nutritive value; Sorghum bicolor; NEUTRAL DETERGENT FIBER; DRY-MATTER; PROTEIN; CORN; DIGESTIBILITY; ALFALFA; RUMEN; L;

D O I：

10.5433/1679-0359.2019v40n4p1565

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

The objective was to determine chemical composition and in situ degradability for silages of dual-purpose sorghum hybrids. Twenty-five hybrids of double-purpose sorghum were investigated in a randomized block design with three replicates. Ammoniacal nitrogen (NH3-N), pH, chemical composition of the silage and in situ degradability were determined. Silage of the hybrids 9929012, 947216, 947030, 947254, 947072, 947252, 12F042066, 1141570 and 1141562 presented greater dry matter content, ranging from 402.9 to 470.7 g kg(-1). The greatest crude protein content was presented by silages from the hybrids 9929036, 9929030, 12F042224, FEPAGRO19, FEPAGRO11, 9929026, 947030, 947072, 947252, 12F042226 and BRS Ponta Negra. The silage of hybrid 1141562 exhibited the lowest neutral detergent fiber content (588 g kg(-1)). The highest values of dry matter and crude protein degradability were observed in the silages of the hybrids 9929030, 947252, 947072, 12F042066 and 12F042226. The use of ensilage of the 9929030 and 12F042226 hybrids is recommended because these silages present a better chemical composition of dry matter, crude protein and neutral detergent fiber and better dry matter and crude protein degradability.

引用

页码：1565 / 1576

页数：12

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