pub.jki.bund.de/index.php/MittBBA/article/view/737/672
by F Weber - 2010 - Related articles
A demographic comparison between two co-existing spring breeding populations ...... and 20 males were kept for monitoring weight development in a beetle- ...

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Note added at 19 mins (2011-11-09 20:29:00 GMT)
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I often translate "controle" as 'monitoring' rather than 'control'.

More examples of 'weight development':

www.jarts.info/index.php/jarts/article/download/34/31
by A Neofitides - 2010 - Related articles
The birth weight and the weight development of the kids of both breeding groups were recorded during a period of 8 weeks. The male kids of both breeding ...

www.loris-conservation.org/database/captive_care/Handrearin...
See also handrearing chapter of the San Diego loris husbandry manual ... rearing techniques, weight development and, as far as available, information how to ...

www.organicagcentre.ca/Docs/AnimalWelfare/.../Dairy_calves....
make adjustments to their husbandry methods. When raising calves artificially, the quantity of milk fed is .... live weight development. From Proceedings of the 1st ...