Pharmacological zinc levels reduce the phosphorus-releasing efficacy of phytase in young pigs and chickens.

@article{Augspurger2004PharmacologicalZL,
  title={Pharmacological zinc levels reduce the phosphorus-releasing efficacy of phytase in young pigs and chickens.},
  author={Nathan R. Augspurger and Joshua D. Spencer and Doug M Webel and David H. Baker},
  journal={Journal of animal science},
  year={2004},
  volume={82 6},
  pages={1732-9}
}
A pig trial and a chick trial were done to determine the effect of high levels of Zn and Cu on the P-releasing efficacy of phytase. Ninety-nine individually fed pigs (7.2 kg) were given ad libitum access to one of 11 experimental diets for a period of 21 d. Fibula ash (mg) was regressed against supplemental inorganic P (iP) intake (g) to establish the standard curve, from which phytase treatments were compared to determine P-releasing efficacy. The basal diet was a corn-soybean meal diet with… CONTINUE READING

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