![LIFESTART project lifestart](https://www.noldus.com/static/images/core-blog/lifestart.jpg)
LIFESTART project
The importance of good nutrition for human babies is well known. But what about young animals?
![Mixing sows: aggression and stress of group housing on first-time sow mother mixing-sows](https://www.noldus.com/static/images/core-blog/mixing-sows.jpg)
Mixing sows: aggression and stress of group housing on first-time sow mother
In this experiment, Ison and colleagues looked at the social interaction when a mixed group of primiparous and older, unfamiliar sows were placed in group housing together.
![How to measure emotions in pigs how-to-measure-emotions-pigs](https://www.noldus.com/static/images/core-blog/how-to-measure-emotions-pigs.jpg)
How to measure emotions in pigs
A commonly used assay for assessment of fear in animals is the novel environment test.In this test, an animal is placed in an arena for a particular time period and behaviors are scored.