Effect of 3-Nitrooxypropanol Combined with Different Feed Additives on Growth Performance, Carcass Traits, Enteric Methane Emissions, and Physiological Response in Feedlot Beef Cattle Fed a High-Concentrate Finishing Diet

William Luiz de Souza; Maria Betânia Niehues; Abmael da Silva Cardoso; Victor Valério de Carvalho; Alexandre Perdigão; Tiago Sabella Acedo; Diogo Fleury Azevedo Costa; Luis Fernando Monteiro Tamassia; Maik Kindermann; Ricardo Andrade Reis

doi:10.20944/preprints202409.2127.v1

How to cite: Souza, W. L. D.; Niehues, M. B.; Cardoso, A. D. S.; Carvalho, V. V. D.; Perdigão, A.; Acedo, T. S.; Costa, D. F. A.; Tamassia, L. F. M.; Kindermann, M.; Reis, R. A. Effect of 3-Nitrooxypropanol Combined with Different Feed Additives on Growth Performance, Carcass Traits, Enteric Methane Emissions, and Physiological Response in Feedlot Beef Cattle Fed a High-Concentrate Finishing Diet. Preprints 2024, 2024092127. https://doi.org/10.20944/preprints202409.2127.v1 Souza, W. L. D.; Niehues, M. B.; Cardoso, A. D. S.; Carvalho, V. V. D.; Perdigão, A.; Acedo, T. S.; Costa, D. F. A.; Tamassia, L. F. M.; Kindermann, M.; Reis, R. A. Effect of 3-Nitrooxypropanol Combined with Different Feed Additives on Growth Performance, Carcass Traits, Enteric Methane Emissions, and Physiological Response in Feedlot Beef Cattle Fed a High-Concentrate Finishing Diet. Preprints 2024, 2024092127. https://doi.org/10.20944/preprints202409.2127.v1

Abstract

The objective was to evaluate the effect of 3-nitrooxypropanol (3-NOP) in combination with dif-ferent feed additives on growth performance, carcass traits, meat quality, enteric methane (CH4) emissions, nutrient intake and digestibility, and blood parameters in feedlot beef cattle. In ex-periment (Exp.) 1, one hundred sixty-eight Nellore bulls (initial bodyweight (BW) 410 ± 8 kg) were allocated to 24 pens in a completely randomized block design. In Exp. 2, thirty Nellore bulls (Initial BW 410 ± 3 kg) were allocated to a collective pen in a completely randomized design. Three treatments were applied: Control (CTL): Sodium monensin (26 mg/kg of dry matter, DM), M3NOP: CTL with 3-NOP (100 mg/kg DM) and Combo: 3-NOP (100 mg/kg DM) with essential oils (100 mg/kg DM), 25-Hydroxy-Vit-D3 (0.10 mg/kg DM), organic chromium (4 mg/kg DM), and zinc (60 mg/kg DM). In Exp 1, bulls in Combo had greater (P

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Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Effect of 3-Nitrooxypropanol Combined with Different Feed Additives on Growth Performance, Carcass Traits, Enteric Methane Emissions, and Physiological Response in Feedlot Beef Cattle Fed a High-Concentrate Finishing Diet

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