Effects of under- and overcrowding on exploratory behavior in the elevated plus-maze

2007 ◽  
Vol 74 (3) ◽  
pp. 357-362 ◽  
Author(s):  
S. Botelho ◽  
C. Estanislau ◽  
S. Morato
2010 ◽  
Vol 193 (2) ◽  
pp. 288-295 ◽  
Author(s):  
Julián Tejada ◽  
Geraldine G. Bosco ◽  
Silvio Morato ◽  
Antonio C. Roque

2017 ◽  
Vol 68 (3) ◽  
pp. 22-28
Author(s):  
Anida Ademovic ◽  
Aleksa Lekovic ◽  
Bozo Knezevic ◽  
Zeljko Grubac ◽  
Nikola Sutulovic ◽  
...  

2010 ◽  
Vol 52 (5) ◽  
pp. 243-246 ◽  
Author(s):  
Pedro P. Chieffi ◽  
Renata T.R. Aquino ◽  
Maria A. Pasqualotti ◽  
Manoel Carlos S.A. Ribeiro ◽  
Antonia G. Nasello

Toxocara canis is a common canine nematode parasite and one of its possible transmission mechanisms is the predation of infected rodents by canids. Fifty Rattus norvegicus were used to study behavioral alterations in rodents infected by T. canis larvae. The rats were divided into three groups: G1, 20 rats infected with 300 T. canis eggs; G2, 20 rats infected with 2,000 T. canis eggs; and G3, 10 non-infected rats. Thirty and 60 days post-infection, rats from all the groups were submitted to an open-field apparatus for five min and subsequently, to an elevated plus-maze apparatus, again for five min. The data obtained indicated improvement in mobility (total locomotion time and rearing frequency) and exploratory behavior in infected rats, principally in G2, which provides some support for the hypothesis that behavioral alterations in rodents infected by Toxocara canis larvae enhance the transmission rate of this ascarid to dogs.


2008 ◽  
Vol 1 (1) ◽  
pp. 73-80 ◽  
Author(s):  
Andrea Milena Becerra Garcia ◽  
Raquel Chacon Ruiz Martinez ◽  
Silvio Morato

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