| Show promoting chick growth by the use of sunlight direct sunlight as aa an essential in promoting growth in chicks and an in preventing the development of leg weakness lias has been proved by recent experiments just announced by the poultry department ot of the state college of A agriculture now new brunswick N J one thousand chicks kept under andar glass glasa weighed only one fourth pound at the end or of 12 weeks whereas chicks of the same age but kept outdoors in direct sunlight averaged one und and one halt half pounds each cod liver oil bail ha for some time been considered an effective growth batur and preventive of leg weakness so BO the truth of tills this was also investigated by the experimenters of the chicks under glass were fed varying amounts of the oil at the end of 12 weeks they were no more thrifty than those receiving no oil after the tha fifth week leg weakness began to appear among all of the birds under glass whether they were being fed cod liver oil or not in contrast with this the chicks kept in direct sunlight showed no leg weakness at all the combination of direct sunlight and cod liver also was tried by the experiment station using chicks and feeding oil equivalent in weight to 1 per cent of the ration it found that an average weight of one and three fourths pounds per chick had been attained this was one fourth pound more than the weight of the chicks getting sunlight but ne na oil it was found that chicks kept behind glass and developing leg weakness could be cured by a half hour bour exposure to sunlight on four days day |
