Forage intake by beef heifers receiving rice bran with and without ionophore

Ciência Rural

Rocha, Marta Gomes da¹  Biscaíno, Ludmila Leonardi¹  Pötter, Luciana¹  Graminho, Larissa Arnhold¹  Stivanin, Sheila Cristina Bosco¹  Eloy, Lidiane Raquel¹  Alves, Marcos Bernardino¹  Fonseca Neto, Álvaro Moraes da¹ 

[1]Universidade Federal de Santa Maria, Santa Maria, Brasil

关键词: Angus;    Lolium multiflorum Lam;    monensin;    chromic oxide;   

DOI  :  10.1590/0103-8478cr20131135

学科分类：农业科学（综合）

来源: Universidade Federal de Santa Maria * Centro de Ciencias Rurais

【 摘 要 】

The forage intake was evaluated in beef heifers exclusively in Italian ryegrass (Lolium multiflorum Lam.) pasture or receiving rice bran with or without addition of ionophore. Chromic oxide was used as a fecal production indicator. The experimental design was completely randomized with repeated measures on time, three treatments and three area replicates. The animals were considered experimental units for intake evaluations. The pasture intake by heifers was similar at different feeding systems causing similar stocking rate. The supply of rice bran with or without monensin increased the total dry matter intake. The individual heifers performance was increased with ionophore addition to rice bran. Ionophore is recommended when there is a goal to reduce the age of beef heifers at their first mating.

【 授权许可】

Unknown