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Zařazení barevné pšenice "AF ZORA" s vysokým obsahem antokyanů na parametry užitkovosti nosnic na konci snáškového cyklu
 Schořová, Michaela
The hypothesis of the experiment was to determine the effect of anthocyanins from the black AF Zora wheat variety on the reproductive parameters of weaned hens (>72 weeks of age). 120 laying hens of the breed Rhode Island White were used for the experiment and were divided into two groups - control and experimental in six repetitions. The experimental group was fed with a feed mixture containing 60% AF Zora black wheat and the control group 60% ordinary wheat of the Vanessa red variety. The experiment lasted 18 weeks, dur-ing which feed consumption, egg laying, egg quality, bone strength, antioxidant activity and phytoestrogen activity were monitored. The positive effect of anthocyanins was evident on egg-laying (P<0.05) in the experimental group, but at the same time, the weight of one egg in this group was about 1 g less and the quality of the shell deteriorated. Furthermore, the eggs of the experimental group had higher haugh units (P<0.01). The effect of anthocyanins on the antioxidant activity determined using the FRAP method was not confirmed. Phytoes-trogenic activity determined by mRNA expression of vitellogenin (VTG 1 and VTG 2) was not confirmed.
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2 Schořová, Martina
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