SciELO - Scientific Electronic Library Online

 
vol.48 número4Características de carcaça de ovinos Santa Inês alimentados com mazoferm substituindo o farelo de sojaFontes de resistência em acessos de Cucurbita spp. a espécies de vírus do gênero Potyvirus índice de autoresíndice de assuntospesquisa de artigos
Home Pagelista alfabética de periódicos  

Serviços Personalizados

Journal

Artigo

Indicadores

Links relacionados

Compartilhar


Revista Ciência Agronômica

versão impressa ISSN 0045-6888versão On-line ISSN 1806-6690

Resumo

VENTURINI, Rafael Sanches et al. Ingestive behavior of lambs or hoggets fed on high-concentrate diets of maize or sorghum. Rev. Ciênc. Agron. [online]. 2017, vol.48, n.4, pp.716-724. ISSN 1806-6690.  http://dx.doi.org/10.5935/1806-6690.20170083.

The aim of this study was to evaluate the ingestive behaviour of lambs or hoggets, finished in confinement on high-concentrate diets based on maize or sorghum grain. A total of 32 animals were used, 16 lambs (milk teeth) and 16 hoggets (2 teeth), which were distributed in a completely randomised experimental design and a 2 x 2 factorial scheme (two categories x two types of grain). In the categories under evaluation (lambs and hoggets), a significant difference (P≤0.05) was found for total chewing time, idle time and other activities (expressed in min/day and as a percentage), number of meals per day, time spent per meal and for the weight of dry matter or NDF ingested per meal (g/DM per REF and g/NDF per REF respectively). For the grain under test (maize or sorghum), significant differences (P≤0.05) were seen in feeding time, total chewing time and idle time (expressed in min/day and as a percentage) and for feed efficiency (g DM/h and NDF/h). Differences in the nutritional demands of lambs and hoggets, and in the composition of high-concentrate diets of maize or sorghum, cause changes in some characteristics of the ingestive behaviour of the animals.

Palavras-chave : Animal category; Confinement; Sheep.

        · resumo em Português     · texto em Inglês     · Inglês ( pdf )