ARTICLE 72 FEED & ADDITIVE MAGAZINE June 2024 2400 2350 2300 2250 2200 2150 2100 1.56 1.54 1.52 1.50 1.48 1.46 1.44 Negative control [g] BWG d35 FCR d35 AGP Positive control adiCox® AP Negative control Universiti Putra Malaysia, 2021. AGP Positive control adiCox® AP ter scores compared to the negative control with no treatment while FCR was 3 points lower in adiCox® AP fed animals respectively (Figure 6). There are several possible reasons for obtaining the above results. Some of them were described in a study at the Polish Academy of Sciences in Jablonna. The Ross 308 birds fed the complete feed with phytobiotics for 35 days were tested for the concentration of IL-15 in the jejunal mucosa of broiler chickens. Adding 100 grams of adiCox® AP caused a significant eight-fold increase in IL-15 level, affecting specific and unspecific immunity. Moreover, feeding diets supplemented with adiCox® AP reduced TNF content in pectoral muscles compared to the control group. Lower FCR and higher body weight gain in the experimental group supported the above findings. However, considering performance alone is insufficient these days. Global warming and greenhouse gas emissions (GHG) are becoming a global issue. Improved digestion reduces the amount of nitrogen excreted and lost in the faeces, which was found in the preliminary study carried out at the Agricultural Technology Research Institute v.v.i. in Czechia. Measured production emissions of 0.0643 kg NH3.animal-1.year-1 in the control flock hall were compared to 0.0500 kg NH3.animal-1.year-1 in the experimental group hall. It was found that the measured production emissions were reduced by 0.0143 kg NH3.animal-1.year-1. This value, converted to a percentage, amounts to 22.2% ammonia reduction, which is fully compliant with the requirements set out in the Goeteborg Protocol and allows to state a claim that this technology may be considered as reducing emission levels for purposes of implementing Good Farming Practices or for purposes of the Integrated Production Authorization. The improved utilisation of dietary nutrients enables better absorption of dietary nitrogen content, preventing the birds from respiratory diseases contributing to animal performance losses and welfare issues. Less dietary protein waste results in less environmental pollution as well. Natural alternatives to antibiotic growth promoters and coccidiostats have been sought for years, not only in the poultry industry. Nevertheless, few solutions present the mentioned efficiency level in different housing practices, coccidiosis management patterns and even climate zones. Feeding adiCox® AP is not only performance-enhancing but also beneficial for gut management and immunity. It comprises various phytogenic compounds locked in a technology that brings homeostasis to the animal, making it possible to express its full genetic potential. This is a novel methodology for sustainable animal production via optimal use of feed and the animal’s ability to utilise what is provided in the feed. Figure 6. The comparison of the performance of the birds fed AGP and adiCox® AP
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