Eggshell quality as influenced by sodium bicarbonate, calcium source, and photoperiod.

@article{Makled1987EggshellQA,
  title={Eggshell quality as influenced by sodium bicarbonate, calcium source, and photoperiod.},
  author={M N Makled and O W Charles},
  journal={Poultry science},
  year={1987},
  volume={66 4},
  pages={705-12}
}
The effects of Ca source (limestone or a mixture of one-third limestone and two-thirds oyster shell), NaHCO3 (0 or .5%) and feeding photoperiod (16 or 24 hr) were studied in a 16-week experiment involving 240 Hy-Line W-36 Leghorn hens, 25 weeks of age. Neither egg production (percent hen-day and egg mass, kg egg/bird per 16 weeks) nor feed conversion ratio (kg feed per kg egg) were significantly (P greater than .05) affected by dietary treatment or photoperiod. However, extending the… CONTINUE READING

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