Haemorrhagic jejunal syndrome in dairy cattle associated to Clostridia infection

adn analisi istologica analyse de tissus antibiotici antibiotics antibiotique blood sampling bovin laitier cell culture clostridium perfringens coltura di cellule culture de cellule dairy cattle dna drug therapy ematocrito emorragia faeces feces feci ganado de leche haematocrit haemorrhage heces hematocrito hemorragia identification identificazione infection infezione intestin intestines intestino intestinos ispezione postmortem necropsie pcr postmortem examination prelievo di sangue sintomi symptome symptoms terapia farmacologica tissue analysis vacche lattifere