This study assesses the evolution of schistosomiasis in the endemic area of Pernambuco, using data from five campaigns of chemotherapy control carried out by national health programmes from 1977 to 1996. Analysis of the data showed that: a) the proportion of municipalities with prevalence above 25% was significantly higher in the coastal-forest zone than in the zone of transitional vegetation A...

This study aimed to demonstrate the geographical expansion of visceral leishmaniasis in Pernambuco State, Brazil. With data on the number of visceral leishmaniasis cases notified from 1990 to 2001, maps showing the biannual evolution of the geographical distribution of the disease per municipality were elaborated. A map of the cumulative geographical distribution of the cases registered during ...

Biotin-binding proteins (BBPs), such as avidin and streptavidin, represent potent insect control compounds which could be delivered via transgenic plants. The effects of BBPs on some pasture pests were determined. Black field cricket nymphs (Teleogryllus commodus) had significantly reduced growth and survival when fed on lettuce leaves painted with purified avidin. Adult clover root weevils (Si...

El trabajo tuvo como objetivo evaluar la preferencia y el perjuicio causado por morfoespecies de babosas en diferentes cultivos municipio Pamplona, Norte Santander. La investigación se desarrolló cinco veredas Pamplona Santander septiembre a diciembre 2018. Se evaluaron nueve cultivos, arveja, cebolla bulbo, fresa, frijol, papa criolla, negra, tomate árbol zanahoria, dando un total cincuenta ca...