Effects of the Protozoan Parasite Sarcocystis rauschorum on Open-Field Behaviour of Its Intermediate Vertebrate Host, Dicrostonyx richardsoni

1987 ◽  
Vol 73 (2) ◽  
pp. 265 ◽  
Author(s):  
Susan C. Quinn ◽  
Ronald J. Brooks ◽  
Richard J. Cawthorn
Keyword(s):  
Open Field ◽  
Protozoan Parasite ◽  
Vertebrate Host ◽  
Field Behaviour ◽  
Open Field Behaviour

Open-field behaviour in sheep following treatment with the neuroleptics azaperone and acetylpromazine

1977 ◽  
Vol 52 (1) ◽  
pp. 107-109 ◽  
Author(s):  
R. N. Hughes ◽  
L. A. Syme ◽  
G. J. Syme
Keyword(s):  
Open Field ◽  
Field Behaviour ◽  
Open Field Behaviour

scholarly journals Open-field behaviour in sheep following treatment with the neuroleptics azaperone and acetylpromazine

1977 ◽  
Vol 53 (3) ◽  
pp. 321-321
Author(s):  
R. N. Hughes ◽  
L. A. Syme ◽  
G. J. Syme
Keyword(s):  
Open Field ◽  
Field Behaviour ◽  
Open Field Behaviour

Effects of Neonatal Testosterone and Progesterone on Open-Field Behaviour in the RAT

1978 ◽  
Vol 30 (1) ◽  
pp. 157-166 ◽  
Author(s):  
Robin Stevens ◽  
Ralph Goldstein
Keyword(s):  
Open Field ◽  
Female Rats ◽  
Male Rats ◽  
Same Sex ◽  
Adrenal Androgens ◽  
Postnatal Treatment ◽  
Oil Injection ◽  
Increased Activity ◽  
Field Behaviour ◽  
Open Field Behaviour

Rats treated on the day of birth with progesterone (50 üg) or testosterone pro-pionate (200 üg) or the oil injection vehicle alone were tested in the open-field on four consectuve days at 45 days and 85 days of age. Averages across treatments showed that females ambulated more and reared more than males at both ages, that they groomed more than males at 45 days of age, and defaecated less at 85 days of age. Progesterone treatment significantly reduced defaecation in males at 45 days of age, and reduced grooming in both sexes. At 85 days of age progesterone significantly increased activity in females. Testosterone-treated animals of both sexes groomed significantly less than same-sex controls at 45 days of age, whereas at 85 days of age activity scores were significantly reduced only in females although testosterone treated males were less active on 2 test days and more active on 1. Early postnatal treatment with progesterone appeared to feminise male rats, and testosterone to masculinise female rats. Both hormones also altered the behaviour of opposite sexed rats, indicating that male rats may be further masculinised by exogenous testosterone and female rats further feminised by progesterone. Progesterone may have acted as an anti-androgenic agent by blocking gonadal and adrenal androgens in males and adrenal androgens in females.

An ethological analysis of open-field behaviour in chickens

1980 ◽  
Vol 28 (2) ◽  
pp. 368-378 ◽  
Author(s):  
Gordon G. Gallup ◽  
Susan D. Suarez
Keyword(s):  
Open Field ◽  
Ethological Analysis ◽  
Field Behaviour ◽  
Open Field Behaviour

A double exposure to social defeat induces sub-chronic effects on sleep and open field behaviour in rats

2008 ◽  
Vol 95 (4) ◽  
pp. 553-561 ◽  
Author(s):  
Anne Marie Kinn ◽  
Janne Grønli ◽  
Eldbjørg Fiske ◽  
Sjoukje Kuipers ◽  
Reidun Ursin ◽  
...  
Keyword(s):  
Open Field ◽  
Social Defeat ◽  
Double Exposure ◽  
Chronic Effects ◽  
Field Behaviour ◽  
Open Field Behaviour
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