IngentaConnect Effect of dietary fumonisin B 1 on laying Japanese quail

Authors: P. Butkeraitis; C.A.F. Oliveira; D.R. Ledoux; R. Ogido; R. Albuquerque; J.F. Rosmaninho; G.E. Rottinghaus

Source: British Poultry Science, Volume 45, Number 6, December 2004 , pp. 798-801(4)

Abstract:

1. A 28-d experiment was conducted to evaluate the effects of fumonisin B 1 (FB 1 ) on egg production and egg quality of young laying Japanese quail fed on fumonisin-contaminated rations. 2. To this end, 128 7-week-old birds were randomly distributed into 4 experimental groups (32 birds per group) and given rations containing 0 (control), 10, 50 and 250 mg FB 1 /kg feed. Each treatment consisted of 4 replicates of 8 quail. Egg production and egg weight were checked daily. Feed consumption and feed conversion were determined weekly. Eggs laid on the last day of each 7-d period were collected and subjected to individual analysis for specific gravity, Haugh units and percentage eggshell. 3. Compared with controls, quail given

50 mg FB 1 /kg had reduced feed intake and lower body weight gain. Feed conversion was reduced only in birds given 250 mg FB 1 /kg. 4. Mean egg production and egg weight were lower in birds given 250 mg FB 1 /kg. Eggshell weight was reduced in birds given

50 mg FB 1 /kg. However, mean specific gravity, Haugh units and percentage eggshell were not affected by FB 1 . 5. No histopathological changes were observed in liver, kidney or heart samples from any treatment group. 6. The results indicated that exposure to FB 1 at concentrations

50 mg/kg could adversely affect quail performance, emphasising the importance of controlling fumonisin contamination of quail rations.

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