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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Feeding insects as a passive vector of coccidian oocysts in reptile breeds
 TOTUŠKOVÁ, Gabriela
Representatives of Coccidia (Coccidia) from the family Eimeridae are common intracellular parasites in reptile breeding. In central bearded dragons (Pogona vitticeps), the most common species are Isospora amphiboluri and Choleoeimeria pogonae with a monoxenic life cycle. They are primarily found in the gastrointestinal tract of the host and can cause severe coccidiosis and death in animals. The infective agents of coccidia are resistant exogenous oocysts that are shed in faeces and serve to infect other hosts. Their transmission is by the orofecal route, during which infective oocysts are taken into the body of a new host with contaminated food or water. When live feeding insects are left in terrariums for long periods of time without access to a food source, the insects can become a passive vector of coccidia infection after consuming infected feces. The aim of this study was to test the ability of foraging insects to passage coccidian oocysts in their gastrointestinal system and to attempt to determine differences during passage between different taxa of foraging insects (Blattodea, Coleoptera, Orthoptera). The results of the experiment showed the passaging of viable oocysts of coccidia of the genera Isospora and Choleoeimeria in the digestive tract of feeding insects. The cricket Gryllus asimillis passaged the most oocysts, followed by the cockroach Blaptica dubia and the least passaging was detected in the larval stage of the beetle Zophobas morio.
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Effect of food on the success of development of selected species of cockroaches.
 ŠIŠKOVÁ, Žaneta
The aim of this thesis was to find out whether selected types of food substrates affect the adult´s productivity, the weight of newborn nymphs and laid oothecas and whether changes in adult´s productivity and the weight of nymphs occur due to one source of food during the experiment. In this experiment, the Blaptica dubia, Nauphoeta cinerea and Schelfordella tartara species were used. The reason for selection of those species was their high rate of reproduction, undemanding breeding and a short period of growth. The experiment was conducted in six types of feed substrates. The cockroaches were kept at a room temperature. The scales accurate to 0,2 g were used for the determination of the weight (AVINET). The Blaptica dubia species proved the dependence of its adults´ productivity and nymphs´ weight on the month of observation and the dependence of nymphs´ growth on a feed. The Nauphoeta cinerea species proved the dependence of nymphs´ growth on a feed. The Schelfordella tartara species proved the dependence of its adults´ productivity and oothecas´ weight on a feed and on the month of observation. The results of this thesis could emphasize the importance of the influence of a feed on the life of cockroaches breeded in captivity and help breeders to their better results with regard to the selection of a suitable food.
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