Sanitary profile in mice and rat colonies in laboratory animal houses in Minas Gerais: I - Endo and ectoparasites

Abstract

The sanitary conditions of 13 animal houses in nine public institutions in Minas Gerais, and the presence of endo and ectoparasites of mice and rats colonies kept in these facilities were evaluated. Data about barriers to prevent the transmission of diseases and a program of sanitary monitoring were obtained through a questionnaire and local visit. Parasitological methods were performed for diagnosing mite, lice, helminthes, and protozoa parasites in 344 mice and 111 rats. Data have shown that the majority of the animal houses had neither proper physical environment nor protection barriers to prevent the transmission of infections. Parasitological results have shown that only one animal house (7.7%) had parasite free animals, whereas the others have presented infected animals and the prevalences of parasites in the mice colonies were: Myobia musculi ( Palavras-chave: camundongo, rato, biotério, parasito, barreira sanitária

Infestation rate with polyplax spinulosa (burmeister, 1839) among certain laboratory albino rats (rattus norvegicus) in relation to different washing agents in two Erbil city universities

“…to the high rat numbers, crowdy caging and poor sanitary conditions. This result is inagreement with 6,8 , they reported that the sanitary conditions in different animal houses have a role in parasite free animals, and also the lack of facilities devices, expertise and rigorous sanitary barriers associated with poor management in animal houses enable dissemination of pathogenic agents detected within and among colonies mentioned in breeding rooms. The infestation rate decline among rats of Medicine College after washing with CisCypermethrin when compared with those washed with Cypremidine, this result may be explained by using unsuitable and incorrect washing agent (Cypremidine), which is antibacterial and antifungal, while Cis-Cypermethrin is specific for the control and killing ectoparasites as its labeled on their containers .…”

“…The sanitary condition of 13 animal houses in nine public institutions in Minas Gerais, and the presence of ectoparasites of rats colonies kept in these facilities were evaluated. Parasitological results have shown that only one animal house (7.7%) had parasite free animals, whereas the others have presented infected animals 8 . A total number of 17 rats (R. rattus) were examined from two related sites in Kandy District for detecting ectoparasites; there was no recording of P. spinulosa in their study 9 , while 77 rodents were captured in Bandar Abbas, Southern Iran, among all rodents 40.3% were found infested with ectoparasites, P. spinulosa was considered as a lice ectoparasite 10 11 .…”

Parasitocenoses in productional rodent breeds in Czech Republic

“…and Aspiculuris tetraptera) belong to species very commonly found in rodents (Pinto et al, 1994;Goncalves at al., 1998;Pinto et al, 2001aPinto et al, , 2003Bazzano et al, 2002;Perec and Okulewicz, 2006;Bicalho et al, 2007). During our study it was not very obvious, that animals have these parasites.…”

“…Adults suff ered from diarrhea, but survived. Giardia muris can also attack other species of rodents, for example mice, where prevalence can be up to 46.2% (Bicalho et al, 2007). DaSilva et al (2008) carried out a study to evaluate effi ciency of several cures for mice attacked by this protozoon.…”

“…Breed hygiene is also very important. Bicalho et al (2007) states in his study, that the ma jori ty of the ani mal houses of mice and rats had neither proper physical environment nor protection barriers to prevent the transmission of infections. It is also known, that insuffi cient hygiene and incapability to interrupt parasites' life cycle can lead to fast spreading of parasites (Totková et al, 2005 a, b).…”