The gross effects of selenium and vitamin E deficiency on animal production and the potential benefits of supplementation are recognised, and the influence of these micronutrients on the resistance of animals to a variety of infections has also been reported. As a result, deficiencies could compromise the immune system and result in a decline in production and performance before gross effects b...

OObjective: To describe some considerations about the alimentary and anti- methanogenic potential of Bauhinia divaricata, Dalbergia glabra, Piscidia piscipula Caesalpinia vesicaria (Fabaceae) present in Campeche, Mexico, domestic ruminants.Design/methodology/approach: The information was obtained from databases archives internet, as well official pages national international organizations.Resul...

Microscopy as “field based test” was compared with IS900 blood PCR for the diagnosis and estimationof prevalence of Mycobacterium avium subspecies paratuberculosis (MAP) in domestic livestock withclinical Johne’s disease (JD). Of 252 animals screened, 39.3 and 13.1% were positive by faecal microscopyand blood PCR, respectively. Proportional agreement between “microscopy” and blood PCR was subst...