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Ingestive behavior of Morada Nova ewes during the last third of pregnancy fed different levels of metabolizable energy Comportamento ingestivo de ovelhas Morada Nova no terço final de gestação com níveis de energia metabolizável na dieta

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Author(s): Severino do Ramo de Luna França | Severino Gonzaga Neto | Edgard Cavalcanti Pimenta Filho | Ariosvaldo Nunes de Medeiros | Jacira Neves da Costa Torreão | Tobyas Maia de Albuquerque Mariz | Roberto Germano Costa

Journal: Revista Brasileira de Saúde e Produção Animal
ISSN 1519-9940

Volume: 10;
Issue: 1;
Date: 2009;
Original page

ABSTRACT
This study aimed to evaluate the ingestive behavior of sheep fed diets with different levels of metabolizable energy (2.2, 2.8, and 3.4Mcal/kg DM). Twenty-one Morada Nova breed ewes at the final third of pregnancy were submitted to visual observation in order to assess their ingestive behavior. The animals were observed every five minutes, during 24 hours, to determine time spent on feeding, rumination and idleness. The behavioral events of the ewes evaluated were: time for feeding (TAL), time for rumination (TRUM) and time of idleness (TOCIO). The ruminating chews of 18 ewes was determined, thus estimating the number of chews and quantity of ruminated boli per unit of time. The average number of defecation and urination, water intake (L/day) and frequency of water intake were also determined. Ewes fed diets with different levels of energy showed no differences in dry matter, crude protein and organic matter intake, however, the intake of dietary fiber constituents reduced and the intake of ether extract increased. There was no effect (P>0.05) of dietary energy levels on the activities of defecation and water requirement, but treatment effect (P
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Tango Jona
Tangokurs Rapperswil-Jona