The effect of feeding additives with plant secondary metabolites on nutrients digestibility in pigs
2008
Mares, P.,Mendelova Zemedelska a Lesnicka Univ., Brno (Czech Republic) | Zeman, L.,Mendelova Zemedelska a Lesnicka Univ., Brno (Czech Republic) | Vecerek, M.,Mendelova Zemedelska a Lesnicka Univ., Brno (Czech Republic)
A balance experiment was carried out to evaluate the effect of two types of feed additives, anise and fennel essential oils (0.1% in feed mixture), and four plant by-products from spices (coriander, allspice, pepper and cumin) on the use of nutrients by pigs. Comparing the effect of the two essential oils, a slightly higher digestibility of nutrients was observed when anise essential oil was added. Nitrogen retention in body mass was improved by 5.6%. Neither of the two additives negatively affected the use of nutrients. The four plant by-products tested decreased slightly but non-significantly nutrients digestibility.
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