90. Heat stress impairs performance parameters, decreases IgA plasmatic levels and increases Salmonella enteritidis migration to spleen in broilers chickens

To evaluate semen quality of men with proven fertility in Spain over the last 3 decades.We conduct a retrospective analysis of ejaculate samples of 992 men between 1985 and 2009. All patients had proven fertility as demonstrated by fathering at least 2 children and a semen analysis performed before they underwent vasectomy. A standardized procedure was used for the semen analysis. Semen volume, total sperm count, sperm concentration, motility,...