Chiquette, Johanne, agr., Ph.D.

Research Scientist


Contact Information:

2000 College Street
Sherbrooke, Quebec J1M 0C8
Telephone: 819-780-7206
Fax: 819-564-5507
Email: johanne.chiquette@agr.gc.ca

Areas of Expertise:

  • constituents - fibre
  • physiology
  • dairy cattle
  • nutritional requirements - food-related disorders
  • supplements and additives - probiotic supplements
  • constituents - carbohydrates
  • constituents - digestibility and nutritional value
  • animal nutrition
  • digestive system - rumen stomach

Current Projects:

  • Evaluating practices for reducing GHG emissions
  • Use of molecular biology techniques to study the dynamics of the rumen micro-flora during the transition period: effect of probiotic supplementation on micro-flora and milk production.
  • Evaluation of the protective effect of probiotics given to dairy cows during a lactic acidosis challenge

Research Publications:

The links below lead to abstracts with access to full text.

2014

2013

2012

2011

2009

Other Science Related Publications:

2013

  • Chiquette, J., Lagrost, J., Girard, C.L., Talbot, G., Li, S., and Plaizier, K. (2013). "Combination of Bacterial and Yeast Probiotics for Lactating Cows Submitted To a Sub-Acute Rumen Acidosis Challenge.", WCDS Advances in Dairy Technology, Canada, Volume 25, page 381. (Abstract)

2012

  • Chiquette, J., Lagrost, J., Girard, C.L., Li, S., Plaizier, J.C., and Talbot, G. (2012). "Combination of bacterial and yeast probiotics: a step forward to unravel their mode of action.", ADSA-AMPA-ASAS-CSAS-WSASAS 2012 Joint Annual Meeting, Hyatt Regency, Phoenix, AZ, USA, July 15-19, 2012, Published in: J. Anim. Sci. 90, Suppl. 3; J. Dairy Sci. 95, Suppl. 2, pp. 73, M323. (Abstract)
  • Chiquette, J., Lagrost, J., and Girard, C.L. (2012). "Les probiotiques et l'acidose ruminale subaiguë: Pensiez-vous tout savoir?", 36e Symposium sur les bovins laitiers: Agir pour l’avenir, Drummondville, QC, Canada, November 1, 2012, pp. 14.

2011

  • Chiquette, J. (2011). "Combinaison de bactéries et de levures administrées comme probiotiques à des vaches en lactation soumises à une acidose ruminale subaiguë provoquée.", 1er Symposium du Centre de recherche et de développement sur le bovin laitier et le porc: Parlons science au CRDBLP! / 1st Symposium of the Dairy and Swine Research and Development Centre: Let’s Talk Science at the DSRDC!, Sherbrooke, QC, Canada, June 7, 2011.
  • Ouellet, D.R. and Chiquette, J. (2011). "Effect of dietary nitrogen and yeast supplementation on apparent diet digestibility snd microbial population in the rumen content if dairy lactatiing cows.", Journal of Animal Science, 89(Suppl. 1), pp. 372. (Abstract)
  • Ouellet, D.R. and Chiquette, J. (2011). "Effect of dietary nitrogen levels and yeast supplementation on apparent diet digestibility and microbial population in the rumen content of dairy lactating cows.", 1er Symposium du Centre de recherche et de développement sur le bovin laitier et le porc: Parlons science au CRDBLP! / 1st Symposium of the Dairy and Swine Research and Development Centre: Let’s Talk Science at the DSRDC!, Sherbrooke, QC, Canada, June 7, 2011, pp. 24/29.

2010

  • Chiquette, J. (2010). "Le rôle des probiotiques en production laitière.", 34e Symposium sur le bovin laitier, Drummondville, QC, Canada, October 28, 2010.
  • Chiquette, J. and Lauzon, K. (2010). "Synergistic fibrolysis by cellulolytic Ruminococcus flavefaciens, Fibrobacter succinogenes, and non-cellulolytic Prevotella ruminicola and Prevotella bryantii: study in semi-defined cultures (Part 1).", Joint ADSA-PSA-AMPA-CSAS-WSASAS-ASAS Annual Meeting,, Denver, Colorado, USA, July 11-15, 2010, J. Dairy Sci. Vol. 99, E-Suppl. 1; J. Anim. Sci. 88 (E suppl. 2): 142.

2009

  • Chiquette, J. (2009). "The role of probiotics in promoting dairy production.", 30th Western Nutrition Conference, Fort Garry Hotel, Winnipeg, MB, Canada, September 23-24, 2009, pp. 1-13.
  • Chiquette, J. (2009). "The role of probiotics in promoting dairy production.", WCDS Advances in Dairy Technology 2009, Red Deer Alberta, Canada, March 10-13, Advances in Dairy Technology, 21:143-157.
  • Chiquette, J. (2009). Utilisation des probiotiques en production bovine., Centre de référence en agriculture et agroalimentaire du Québec (CRAAQ), Québec, QC, Canada. (Report)
  • Chiquette, J. and Lauzon, K. (2009). "Synergistic fibrolysis by cellulolytic Ruminococcus flavefaciens, Fibrobacter succinogenes, and non-cellulolytic Prevotella ruminicola and Prevotella bryantii: study in semi-defined cultures (Part 2).", Joint CSAS, ASAS, ADSA meeting, Montreal, QC, Canada, July 12-16, 2009, J. Dairy Sci. Vol. 92, E-Suppl. 1; J. Anim. Sci. 87(E suppl. 2): 466.
  • Chiquette, J., Allison, M.J., and Rasmussen, M.A. (2009). Prevotella bryantii 25A used as a probiotic in early lactation dairy cows: effect on ruminal fermentation characteristics, milk production and milk composition. 2009 Highlights of Canadian Research on Dairy Cattle., Canada: Dairy Farmers of Canada, Canadian Dairy Network and Agriculture and Agri-Food Canada. (Report)
  • Ivan, M., Chiquette, J., Petit, H.V., and Alimon, A.R. (2009). "Effects of dietary linoleic and linolenic acids on the rumen population of cellulolytic bacteria and ciliate protozoa in dairy cows.", XIth International Symposium on Ruminant Physiology, Clermont-Ferrand, France, September 6-9, 2009, pp. 220-221.