Lallemand Animal Nutrition
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What's new

Dec 12, 2019

Partnership with Dendris to advance precision feeding for ruminants

Dec 12, 2019

r&d partnership between dendris and lallemand animal nutrition

Lallemand Animal Nutrition has entered a research and development partnership with the French biotech firm Dendris. The partnership will focus on developing a monitoring tool to characterize microbial fibrolytic activity in the ruminant digestive tract. The objective of this new tool is to evaluate the effect of nutritional interventions, including probiotic supplementation, on the functional activity of the digestive microbiota. This research tool will help advance precision feeding for ruminants and help in the development of diet formulations or new feed additives aimed at maximizing energy released from fiber degradation. The companies believe the work will improve animal efficiency in a sustainable way.

dendris partnership with lallemand animal nutritionDr. Frédérique Chaucheyras-Durand is leading the project for Lallemand Animal Nutrition. She explains: “Following an initial phase of prototype development in collaboration with the MEDIS team from INRA and Clermont Auvergne University — during which we selected about 400 key microbial genes involved in fiber digestion1 — we have pinpointed 60 significant genes, which are our biomarkers of cellulose and hemicellulose degradation. We are now entering a new and exciting phase with Dendris to design a simplified functional biochip to more quickly evaluate the expression of these biomarkers in ruminant digesta. As we are gaining a better understanding of the ruminant microbiota, this new tool will help us evaluate the effect of different dietary conditions, for instance, the supply of feed additives, on key functions of this microbiota.”

She added: “We have selected Dendris as a partner to develop this tool based on their strong expertise in biochip design. The company has unique a technology platform, DendrisChip, which offers the highest sensitivity on the market.”

About functional biochips

There is a growing scientific interest for OMICS methodologies that allow researchers to decipher complex microbiota diversity and genetic potential. Among these methods, high-throughput DNA sequencing techniques generate millions of gene sequences within a microbial community. However, DNA sequencing does not provide insight into the functions at play in a given situation. By assessing RNA, meta-transcriptomics looks at the actual level of expression of all the genes. The technique generates millions of data points, which require specific bioinformatics tools, manpower and time to interpret. On the opposite, targeted transcriptomics focus on a very limited number of genes from microbial key players and linked to a particular function of interest. Once a functional biochip is designed, it allows to easily evaluate the level of expression of the targeted genes.

1Comtet-Marre S, Chaucheyras-Durand F, Bouzid O, Mosoni P, Bayat AR, Peyret P, Forano E. FibroChip, a Functional DNA Microarray to Monitor Cellulolytic and Hemicellulolytic Activities of Rumen Microbiota. Front Microbiol. 2018 Feb 13;9:21