The cross-fostered animals sang songs with acoustic characteristics - including syllable interval, peak frequency, and modulation patterns - similar to those of their genetic parents.
Each treatment group contained two cross-fostered litters and all animals were treated, regardless of sex.
To prevent any stress to the animals when cross fostered, pups were transferred with some of their own bedding.
Chevarria took the animal on behalf of Rescue Warriors Corp and fostered him until Boshold came into the picture.
As adults, fostered rats helped strangers of the fostering strain but not rats of their own strain.
Previously such rats had been shown to have increased natural lifespans [ 1, 2], especially in comparison to animals exposed to maternal protein restriction in utero who were subsequently cross-fostered by animals who were fed a diet containing a normal protein content.
Eye fixation data indicated that the compositional animation led to superior mental models because it particularly fostered relational processing.
The Chicano movement of the 1970s fostered charro pride, but its rise has also coincided with the rapid growth of the animal rights movement.
The study of retinoblastoma in patients, cell lines and animal models has not only generated better diagnosis and treatment strategies, but also fostered numerous discoveries regarding the basic principles of cancer [4, 5].
It's as if they don't even know that humans are social animals, and that it is the ability of humans to think and act from social motivations that fostered civilisation.
All animals were allowed to deliver spontaneously on E19 E20 (defined as PND0), and offspring were not cross-fostered.
