Exact(4)
Nevertheless, the ferrets were still motivated to use the weighted door despite being granted free access to EC, indicating that the door also has reinforcing properties.
Twelve female ferrets were housed in a set-up consisting of a home and enrichment chamber (EC) connected by a weighted door.
The four other set-ups (set-up B0, B1, B3, B4) aimed to evaluate the attractiveness of the door elements by allowing the ferrets to choose whether or not to use the weighted door to enter EC.
The ferrets decreased the use of the weighted door most when, in a set-up with free access to EC, the nest box in the home cage (53 ± 22% of MPPfood) was replaced by a manipulable plastic bucket (26 ± 13% of MPPfood).
Similar(56)
Six mink were tested in both treatments, and their motivation to reach four resources (Food, Bath, Unpredictable Social Contact, Toy) was assessed via their responses to increased access costs (weighted doors).
Research shows that hens will move weighted doors and squeeze through gaps to get to what they consider a suitable site.
Passengers can slide open a metal door that is weighted so that it will automatically slide back into the latched position when the train is on a level piece of track.
Access to the various compartments was by means of doors that could be weighted in increasingly heavier increments.
A case can be made for the 50-1 shot Living Next Door, who still looks fairly weighted despite winning a valuable Christmas handicap in Ireland last winter.
To accommodate multiple loading conditions, the weighted mean compliance of the CFRP vehicle door was taken as the objective function, subject to the constraints on the local displacements, primary natural frequency and manufacturability.
The total SRI of the door was calculated by the area-weighted sum of the predicted structural transmission and the predicted slit transmission.
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