oa Agroanimalia - Histological and gravimetric estimation of thyroid gland activity in chickens

Volume 1, Issue 3-4
  • ISSN : 0302-7104



Three measures were compared as criteria of thyroid activity, viz. thyroid weight, the n/d-method of Lever (1948) as modified by Kamar (1961) and the Colloid per cent method of Uotila & Kannas (1952). The experimental material was derived from three individual feed efficiency trials and three shifts of a diallel mating experiment, involving a total of 423 and 2117 chickens, respectively.

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