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^: 3549 2011 4
^: .. ( ).
^: - = Comparative analysis of biologically active preparations impact on the efficiency of energy and protein utilization in the laying hen body
^: , 2011; N 4. - . 172-173
^: 2011
^: .:.173
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aref2 2 A comparative analysis of the impact of the ferment, probiotic and antibiotic preparations as well as their combined use on the efficiency of energy and protein utilization in the laying hen body has been carried out. It is ascertained that combined use of the ferment preparation together with a feed antibiotic or a probiotic preparation makes it possible the fodder energy and proteins to be more effectively utilized.

^TRN: 1286618
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