Author(s): Klaric Ivana, Miskulin Ivan, Seric Vatroslav, Dumic Albina, Jonjic Jasna, Miskulin Maja
Keywords:additives, blood, broilers feeding, feed supplements, health
The aim of this study was to determine the effect of propolis and bee pollen on selected biochemical blood parameters in broiler chickens. This experimental study was conducted on 200 Ross 308 chickens of equally distributed sex, which were divided into five groups (a control group and four experimental groups). Throughout the whole study the control group of chickens was fed the control feed mixture while the feed mixture that was fed to the experimental groups of chickens contained additives (propolis and/or bee pollen, each supplemented separately or in combination in a certain proportion). The results obtained by this study are: significantly lower blood glucose, cholesterol and calcium levels (P < 0.001), as well as significantly lower triglycerides levels (P = 0.002), but also significantly higher sodium and chloride (P < 0.001), phosphorus (P = 0.004) and globulins levels (P = 0.027) in chickens of the experimental groups compared to the chickens of the control group on the 21st day of fattening. Furthermore, this study has found significantly lower blood glucose (P = 0.033) levels and significantly higher levels of total proteins and globulins (P = 0.003), as well as albumins (P = 0.040) in chickens of the experimental groups compared to the chickens of the control group on the 42nd day of fattening. It can be concluded that the application of propolis and bee pollen as additives in broiler feeds enables the production of more vital and healthier animals, which significantly improves the fattening of chickens.
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