The suitability of some sources of calcium for feeding of high productivity hens
1998
Tikk, H. | Tikk, V. | Lust, L. (Estonian Agricultural Univ., Tartu (Estonia))
The trial was carried out in 1997 at the Sakala Poultry LTD. The research into local Ca sources revealed that the strongest egg shell of Lohmann brown D-line hens was get by feeding limestone taken from the Rostla quarry
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