From the developing bud to the industrial bug...
Being considered as the oldest and best understood microorganism, the yeast Saccharomyces cerevisiae still remains valuable to mankind's future. Since ages, Egyptians followed by Romans, used yeast t...
Author :
Dr. Jean-Philippe Marden (Lesaffre Feed Additives)
Rumen microbiology
The rumen is the first stomach of cattle, sheep and goats. All digestion in this organ is carried out by a microbial population which consists of ciliate protozoa, anaerobic bacteria and anaerobic fungi. The bacteria are genetical...
Author :
Prof. John Wallace (Rowett Institute of Nutrition and Health, University of Aberdeen)
Oxidation-reduction or simply redox reactions are an important class of chemical reactions encountered in many biological media. Redox reactions occur in living or- ganisms and are indeed essential to life. They are mainly involved in metabolic path-...
Author :
By Prof. Corine Bayourthe (ENSAT)
Reducing potential can be defined as the tendency of a system to gain or donate electrons, and it is a derivation of the Gibbs free energy change equation applied to redox reactions. Redox reactions are those in which chemical species change their ox...
Author :
By Dr. Emilio Ungerfeld (Lethbridge Research Centre, Agriculture and Agri-Food Canada)
The survival of neonate piglets depends directly on the acquisition of maternal immunity via colostrum, and milk affording systemic and mucosal protection, respectively. Whereas colostral IgG are mainly due to accumulation of blood IgG in the acini o...
Author :
Dr. Henri Salmon, Research Director at INRA (Institut National de la Recherche Agronomique), France
Neonatal diarrhoea in piglets is very common in farrowing units and has been a concern to vets for a number of years.
Associations between pathogenic agents (colibacilli, clostridia, enterococci, parasites...) complicate the diagnosis making laborat...
Author :
Dr Philippe Le Coz (Doctor in veterinary medicine and expert in swine pathology, France)