[The effect the different levels of phosphorus in rations have on the hardness of egg-shells and the productive trait of the egg-laying hens]
1985
Panic, B. (Poljoprivredni fakultet, Novi Sad (Yugoslavia)) | Pejin, G. | Gavric, T. | Supic, B.
The reduction of the total and imbibitional phosphorus in rations, given to young egg-laying hens, had a positive effect on the hardness of the egg-shell in the first stage of egg-laying. Reductions of phosphorus levels in rations did not have undesirable effects on the consumption of food, weight of the eggs, nor the number of layed eggs.
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