Abstract
Characterization of a Urochloa humidicola methanol extract as a phytogenic additive for ruminants
Highlights
World population growth has resulted in more food production and a greater demand for agricultural products (WANAPAT et al, 2013)
Responding to international and national demands, Brazilian livestock has been targeted for investments in production development, as well as in biotechnology, to consolidate Brazil as the main exporter of meat products; this caused an increase in tests on natural products for use in animal feed, such as nutraceutical food or phytogenic additives
Plant extracts from garlic (Allium sativum), pepper (Capsicum annuum), cinnamon (Cinnamomum cassia), oregano (Origanum vulgare), and fennel (Pimpinella anisum) have been used as in vitro ruminal fermentation inducers in beef cattle feed with a high-concentrate quantity (CARDOZO et al, 2005); on the other hand, when used in human feed, some conflicts might exist related to the increase in product prices
Summary
World population growth has resulted in more food production and a greater demand for agricultural products (WANAPAT et al, 2013). Responding to international and national demands, Brazilian livestock has been targeted for investments in production development, as well as in biotechnology, to consolidate Brazil as the main exporter of meat products; this caused an increase in tests on natural products for use in animal feed, such as nutraceutical food or phytogenic additives. Some metabolites have specific functions such as protection against herbaria and infection by pathogenic microorganisms (NEPOMUCENO et al, 2013) and have antimicrobial traits, allowing their application as ruminal fermentation inducers by the selective inhibition of ruminal microorganisms (KAMRA et al, 2006) and consequent mitigation of methane production (SANTRA et al, 2012). According to Wanapat et al (2013), plant extracts with condensed tannins and saponins have been used as additives in ruminant feed in contrast to ionophores for the mitigation of methane production. Plant extracts from garlic (Allium sativum), pepper (Capsicum annuum), cinnamon (Cinnamomum cassia), oregano (Origanum vulgare), and fennel (Pimpinella anisum) have been used as in vitro ruminal fermentation inducers in beef cattle feed with a high-concentrate quantity (CARDOZO et al, 2005); on the other hand, when used in human feed, some conflicts might exist related to the increase in product prices
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