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Daniel Montoya
Animal Nutrition and Welfare Service (SNIBA), Animal and Food Science Department, Facultat de Veterinària, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain

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Journal article
Published: 06 July 2021 in Animals
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This study evaluates the efficacy of two plant-based feed supplementations to fight colibacillosis in weanlings. A total of 96 piglets (32 pens) were assigned to four diets: a control diet (T1) or supplemented with ZnO (2500 ppm Zn) (T2) or two different plant supplements, T3 (1 kg/t; based on essential oils) and T4 (T3 + 1.5 kg/t based on non-volatile compounds). After one week, animals were challenged with ETEC F4, and 8 days after, one animal per pen was euthanized. Performance, clinical signs, microbial analysis, inflammatory response, intestinal morphology, and ileal gene expression were assessed. ZnO improved daily gains 4 days after challenge, T3 and T4 showing intermediate values (96, 249, 170, and 157 g/d for T1, T2, T3, and T4, p = 0.035). Fecal lactobacilli were higher with T3 and T4 compared to ZnO (7.55, 6.26, 8.71, and 8.27 cfu/gFM; p = 0.0007) and T3 increased the lactobacilli/coliforms ratio (p = 0.002). T4 was associated with lower levels of Pig-MAP (p = 0.07) and increases in villus/crypt ratio (1.49, 1.90, 1.73, and 1.84; p = 0.009). Moreover, T4 was associated with an upregulation of the REG3G gene (p = 0.013; pFDR = 0.228) involved in the immune response induced by enteric pathogens. In conclusion, both plant supplements enhanced animal response in front of an ETEC F4 challenge probably based on different modes of action.

ACS Style

Daniel Montoya; Matilde D’Angelo; Susana Martín-Orúe; Agustina Rodríguez-Sorrento; Mireia Saladrigas-García; Coralie Araujo; Thibaut Chabrillat; Sylvain Kerros; Lorena Castillejos. Effectiveness of Two Plant-Based In-Feed Additives against an Escherichia coli F4 Oral Challenge in Weaned Piglets. Animals 2021, 11, 2024 .

AMA Style

Daniel Montoya, Matilde D’Angelo, Susana Martín-Orúe, Agustina Rodríguez-Sorrento, Mireia Saladrigas-García, Coralie Araujo, Thibaut Chabrillat, Sylvain Kerros, Lorena Castillejos. Effectiveness of Two Plant-Based In-Feed Additives against an Escherichia coli F4 Oral Challenge in Weaned Piglets. Animals. 2021; 11 (7):2024.

Chicago/Turabian Style

Daniel Montoya; Matilde D’Angelo; Susana Martín-Orúe; Agustina Rodríguez-Sorrento; Mireia Saladrigas-García; Coralie Araujo; Thibaut Chabrillat; Sylvain Kerros; Lorena Castillejos. 2021. "Effectiveness of Two Plant-Based In-Feed Additives against an Escherichia coli F4 Oral Challenge in Weaned Piglets." Animals 11, no. 7: 2024.