RésuméInfestation de l'hôte normal.-La période prépatente a duré huit mois et une semaine. -Au cours de cette période, une forte poussée d'éosino philie est apparue un mois environ après l'infestation.-Une légère éosinophilie s'est manifestée au moment pré sumé de la production des premières microfilaires.-Au cours de la période d'état, des fluctuations de faible amplitude de la microfilarémie sanguine, liées à des variations de l'éosinophilie ont été observées.-En fin d'expérimentation, l'absence passagère de réac tions de l'hôte a permis une augmentation importante, mais transitoire, de la microfilarémie.Infestation des hôtes anormaux. -Ont été infestés : deux chèvres, un mouton, deux lapins, trois cobayes, cinq rats.-Chez les rats et les cobayes une éosinophilie précoce mais légère est apparue ; celle-ci a été plus tardive mais plus marquée chez les chèvres et le mouton ; par contre elle n'a pas été observée chez les lapins.-Deux rats et une chèvre sont décédés ; un rat a présenté des troubles passagers. Ces décès et ces troubles semblent pouvoir être rapportés à l'infestation filarienne. SummaryInfection of normal host.-The duration of prepatent period was eight months and one week.-During this time, an high increase in eosinophils occured about one month after infection.-A slight eosinophilia was noticed at the presumed time of first microfilariae production.-When microfilariae were found in the blood, slight fluc tuations in microfilaremia, linked to changes in eosinophil count, were observed.-At the end of experimentation, the momentary absence of vertebrate host reaction allowed an important but transient increase in microfilaremia.Infection of abnormal hosts.-Two goats, one sheep, two rabbits, three guinea-pigs and five rats have been infected.-With rats and guinea-pigs, it appeared an early but slight eosinophilia; this one was later and more pronounced with goats and sheep ; but it was not observed with rabbits.-Two rats and one goat died. One rat was ill for a few days. It seems that these deaths and troubles may be associated with filarial infection.
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