The role of folic acid, synthetic beta-carotene and vitamin A in sows fertility and fecundity
2005
Orda, J. (Akademia Rolnicza, Wroclaw (Poland). Katedra Zywienia Zwierzat i Paszoznastwa)
In the fourth cycle, when the sows in all groups were fed with mixtures devoid of supplements, the production results were reduced to the level observed in the control group, which points to the efficiency of tested additives
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