Animal weight estimation, using image analysis technique works only very satisfied when animal stand up and has no connection with other animals. Therefor the technique requires some modification in animal environment. It requires also that animal marked with electronic chips to identify each animal. The animal producers are not happy with these requirements. Also for the wild animal, it is very difficult to weight animal in a free area. But the development of video technique and image analysis software will decrease these requirements in the future.
Keep in touch with this virtual library to follow up with future development.