Establishment of a Newborn Lamb Gut-Loop Model to Evaluate New Methods of Enteric Disease Control and Reduce Experimental Animal Use
| Autor: | Baillou, Ambre, Kasal-Hoc, Nathalie, Barc, Céline, Cognie, Juliette, Pinard, Anne, Pezant, Jérémy, Schulthess, Julie, Peltier-Pain, Pauline, Lacroix-Lamandé, Sonia, Laurent, Fabrice |
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| Přispěvatelé: | Infectiologie et Santé Publique (UMR ISP), Université de Tours-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Phileo Lesaffre Animal Care, Plateforme d'Infectiologie Expérimentale (PFIE), Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Physiologie de la reproduction et des comportements [Nouzilly] (PRC), Institut Français du Cheval et de l'Equitation [Saumur]-Université de Tours-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), INRAE, PHILEO by LESAFFRE, Université de Tours (UT)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Institut Français du Cheval et de l'Equitation [Saumur]-Université de Tours (UT)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) |
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: | |
| Zdroj: | Veterinary Sciences Volume 8 Issue 9 Veterinary Sciences, MDPI, 2021, 8 (9), 15 p. ⟨10.3390/vetsci8090170⟩ Veterinary Sciences, Vol 8, Iss 170, p 170 (2021) |
| ISSN: | 2306-7381 |
| DOI: | 10.3390/vetsci8090170 |
| Popis: | International audience; Enteric infectious diseases are not all well controlled, which leads to animal suffering and sometimes death in the most severe cases, in addition to economic losses for farmers. Typical symptoms of enteric infections include watery diarrhea, stomach cramps or pain, dehydration, nausea, vomiting, fever and weight loss. Evaluation of new control methods against enteric infections requires the use of many animals. We aimed to develop a new method for an initial in vivo screen of promising compounds against neonatal diseases such as cryptosporidiosis while limiting experimental animal use. We therefore adapted an in vivo method of multiple consecutive but independent intestinal loops to newborn lambs delivered by cesarean section, in which endotoxin responsiveness is retained. This new method allowed for the screening of natural yeast fractions for their ability to stimulate immune responses and to limit early Cryptosporidium parvum development. This model may also be used to investigate host-pathogen interactions and immune responses in a neonatal controlled environment. |
| Databáze: | OpenAIRE |
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