Phytase in broiler diets
1998
Levic, J. (Tehnoloski fakultet, Novi Sad (Yugoslavia). Zavod za tehnologiju stocne hrane) | Sredanovic, S. | Sevkovic, N. | Stojanovic, S.
The aim of this study was to find out the possibility how to increase the availability of phytic phosphorus and, at the same time, decrease phosphorus excretion through faeces into the environment when using phytase in broiler fed diets based on corn, soybean and sunflower meal with reduced level of phosphorus added. Production parameters of broilers and phosphorus excretion through faeces were observed. In all feeding periods of broilers, the group fed trial mash 2 with reduced phosphorus level and phytase had higher body weight by 2.0-18.7% during the trial, better feed conversion by 7.0% at the end of the trial and by 17.7% at the end of the second week, mortality lower by 16.7% and decrease of phosphorus level in faeces by 5.4 to 22.4 during the trial. The positive production results obtained in broiler feeding have shown that phytase added affected the increase of availability of trial mashes based on corn, soybean and sunflower meal with reduced level of phosphorus added.
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