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Original Articles

Some effects of changing protein levels during the pullet laying year

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Pages 153-161 | Received 18 Nov 1966, Published online: 08 Nov 2007

References

  • Campbell , A. J. 1966 . Protein levels for egg production . Wld's Poult. Sci. J. , 22 : 155
  • Coligado , E. C. and Quisenberry , J. H. 1961 . Effects of protein level, source and change of level during the laying period on performance of incross egg production stock . Poult. Sci. , 40 : 1388
  • Curnow , R. and Sharpe , E. 1962 . The analysis of covariance as a means of reducing standard errors in certain experiments involving sequences of treatments . Biometrics , 18 : 410 – 413 .
  • Jennings , R. C. and Morris , T. R. 1965 . The recovery of laying birds from a period of low protein feeding . Br. Poult. Sci. , 6 : 321 – 326 .
  • Owings , W. J. 1964 . The effects of lowering dietary protein level of laying hens during the production period . Poult. Sci. , 43 : 831 – 833 .
  • Quisenberry , J. H. 1965 . Phase feeding of laying hens . Feedstuff's, Minneap. , 37 (24) : 51 – 54 .
  • Reid , B. L. , Kurnick , A. A. and Hulett , B. J. 1965 . Relationship of protein level, age and ambient temperature to laying hen performance . Poult. Sci. , 44 : 1113 – 1122 .
  • Sharpe , E. , Morris , T. R. and Fox , S. 1965 . Changes in dietary protein level during the pullet year . Br. Poult. Sci. , 6 : 183 – 189 .
  • Smith , R. E. 1965 . Alteration of protein level in laying rations at various stages within the laying cycle and its effect upon the performance of laying hens . Can. J. Anim. Sci. , 45 : 211 – 215 .
  • Waldroup , P. W. and Harms , R. H. 1964 . The effect of dietary protein restriction of laying hens on subsequent performance . Poult. Sci. , 43 : 792 – 794 .

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