ISSUE FOCUS FEED & ADDITIVE MAGAZINE November 2023 37 Tested in research facilities as well as in commercial farms, Actifor™ Power has shown to: • improve average daily gain (reduce fattening time)(Delacon in vivo trials USA 2018, SA 2020, AUS 2021, FR2021); • increase dry matter intake (Delacom in vivo trial, USA 2018); • improve feed efficiency (Delacon in vivo trials, USA 2018, AUS 2021); • support the maintenance of physiological pH levels (Delacon in vivo trial, NED 2020). The conversion of feed energy to the final product is an essential determinant of the profitability of meat production. One of the significant sources of variation in the transformation of feed energy to net energy in lambs is the extent and rate of feed digestibility. Thus, phytogenic feed additives such as Actifor™ Power have improved feed efficiency, positively impacting rumen function and animal health. References are available upon request. About Gonçalo Martins Gonçalo Martins graduated in 2003 as veterinary at the University of Trás-os-Montes e Alto Douro (UTAD), Portugal. After his graduation, he started working as a practitioner in dairy and beef farms, where he was responsible for reproduction, internal medicine, and surgery. Since 2005, Martins has been working in the animal nutrition business, with a focus on feed additives, as a Ruminant Technical Manager, giving technical assistance to dairy and beef farms, and as a Product Manager, where he was responsible for the technical support of the portfolio, assisting the sales teams. Gonçalo Martins had already experienced working with phytogenic feed additives and to deepen his knowledge he joined Delacon, as Global Technical Manager Ruminant in December of 2018. Figure 1. Actifor™ Power trial results on Average Daily Gain with lambs in different countries (USA2018, Katadhim ram with BWinicial= 24.0kg; SA2020, Merinos/Dohne Merinos with BWinicial 28.8kg; AUS2021, Crossbreed x Merino with BWinital 44.3kg; FR2021, Romanov x Berricho with BWinitial 29.6kg). Figure 2. Actifor™ Power trial results on Feed Conversion Rate with lambs in different countries (USA2018, Katadhim ram with BWinicial= 24.0kg; AUS2021, Crossbreed x Merino with BWinital 44.3kg.
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