Net energy and ractopamine to finishing gilts under high temperature environment/Energia liquida e ractopamina para leitoas em terminacao sob altas temperaturas ambientais

Net energy and ractopamine to finishing gilts under high temperature environment/Energia liquida e ractopamina para leitoas em terminacao sob altas temperaturas ambientais

The objective of this paper was to assess net energy (NE) levels and ractopamine in the diet of finishing gilts maintained under high temperature environment (29.5 [+ or -] 2.3[degrees]C). Forty gilts were used, with initial weight of 69.3 [+ or -] 2.8kg, distributed in a randomized block design, in...

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Veröffentlicht in:Ciência rural 2011-05, Vol.41 (5), p.888
Hauptverfasser: de Moura, Mariana Souza, Kiefer, Charles, Silva, Camilla Mendonca, dos Santos, Alexandre Pereira, Fantini, Caiki Calepso, Lucas, Lucia dos Santos
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Sprache:spa
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Zusammenfassung:The objective of this paper was to assess net energy (NE) levels and ractopamine in the diet of finishing gilts maintained under high temperature environment (29.5 [+ or -] 2.3[degrees]C). Forty gilts were used, with initial weight of 69.3 [+ or -] 2.8kg, distributed in a randomized block design, in a factorial scheme 2x4 (0 and 20ppm of ractopamine; and 2,300; 2,424; 2,548 and 2,668kcal/kg NE [kg.sup.-1] of feed), and five replications and one animal each. There was interaction (P
ISSN:0103-8478