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1.
Rev Bras Parasitol Vet ; 17 Suppl 1: 35-9, 2008 Sep.
Article in Portuguese | MEDLINE | ID: mdl-20059812

ABSTRACT

Artificial feeding is an important toll for studying ticks feeding mechanism and transmission of pathogenic agents in the absence of vertebrate host. The objective was to feed artificially of engorged partially females of Dermacentor (Anocentor) nitens, proceeding of infested naturally equines and evaluate the influence of this technique on biological parameters of species. Engorged partially females were collected, weighted and separate by weight in two range of 40 to 60 milligrams and 61 to 100 milligrams. Each range was further sorted in four groups with homogeneous weight which were fed for 6, 12, 24 and 36 hours through capillaries tubes containing citrated bovine blood. It was observed that artificial feeding promoted increase weight of females in both range and definitive times. The Ticks fed artificially for periods more drawn out, had presented parameters of the non-parasitic phase next to the observed ones in conditions to laboratory for this species. Females of D. (A.) nitens partially engorged ingested great volume of blood when submitted to artificial feeding through capillaries tubes, without any effect in their biological parameters.


Subject(s)
Dermacentor/physiology , Animals , Dermacentor/growth & development , Feeding Methods , Female
2.
Rev Bras Parasitol Vet ; 17 Suppl 1: 296-300, 2008 Sep.
Article in Portuguese | MEDLINE | ID: mdl-20059864

ABSTRACT

Several parasitic zoonoses are associated to the human and companion animals, mainly dogs and cats. The present work aimed to analyze the relationship of parasites in children at the Center of Integral Attention to the Child Paulo Dacorso Filho and their companion animals where to verify the relationship of positive children for some parasites, which got in contact with infected animals. In a total of 64 fecal samples, they were consisted by 46 childrens fecal samples and 21 of their companion animals, being 18 from dogs and 3 from cats. Those were analyzed by using the techniques of centrifugal-flotation in brilliant field and staining by modified Ziehl-Neelsen to determine Cryptosporidium spp. oocysts. Of the childrens samples, 91% were positive for the genus Cryptosporidium, of those 13 samples; they were also in association to Giardia intestinallis, two to Ascaris lumbricoides, two to Trichuris trichiura and one to Endolimax nana only. Of the dogs samples, 94.44% were positive where Cryptosporidium spp. was observed in 94.44% of them, Ancylostoma spp. In 50%, Cystoisospora canis in 5.55% and Toxocara canis in 11.11%. The parasite that was common among children and animals belongs to genus Cryptoporidium. However, most of the positive children for Cryptosporidium spp., did not get in contact with animals.


Subject(s)
Cats/parasitology , Dogs/parasitology , Intestinal Diseases, Parasitic/epidemiology , Pets/parasitology , Animals , Brazil , Child , Feces/parasitology , Humans
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