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Moreira et al., 2006. Rev. Bras. Zoot., 35 (3): 1077-1084 (suppl.)

Document reference 
Moreira, I. ; Sartori, I. M. ; Paiano, D. ; Martins, R. M. ; Oliveira, G. C. de, 2006. Effects of feeding cottonseed meal with or without iron addition for starting piglets (15-30 kg). Rev. Bras. Zoot., 35 (3): 1077-1084 (suppl.)
Alternative title 

Utilizacao do farelo de algodao, com ou sem a adicao de ferro, na alimentacao de leitoes na fase inicial (15-30 kg)


A trial was carried out to evaluate the effects of increasing levels (0, 8 and 12%) of cottonseed meal 36% (CM 36) and 3 inclusion levels (0, 20, and 40 g/100 kg) of ferrous sulfate (FeSO 4) (12% of CM diets) on the performance, plasma urea nitrogen (PUN) and haematological values of starting pigs, 15-30 kg. 80 pigs (barrows and gilts), 14.811.72 kg, were allotted to a completely randomized block design with 5 treatments (0CM, 8CM, 12CM, 12CM+20FeSO 4, and 12CM+40FeSO 4) and 5 replicates with 2-3 piglets per experimental unit. There was no effect of increasing CM 36 levels and ferrous sulfate addition on piglet performance. The increasing CM 36 did not influence the PUN values. The haematological values were not affected by the increasing levels of CM 36 or ferrous sulfate addition, except for cell haemoglobin (MCH) that increased linearly as the dietary levels of ferrous sulfate increased. It is concluded that CM 36 can be included up to 12% with no effect on the performance, while ferrous sulfate can be omitted from the diet of the piglets.

Citation key 
Moreira et al., 2006