The Influence of a Thyro-Active Compound in Diets for Swine during Lactation

Effects of a Hyperthyroid Compound on Appetite, Body Weight Change and Oestrus Inhibition in Gilts Fed a Dithiocarbamoylhydrazine (Ici 33828)

“…for error term. iodinated casein, but the tendency for feed intake to decrease as the feeding level of the compound increased is in agreement with the results of Johnson et al (1959), Dudley et al (1956) and Wahlstrom (1959). Hypothyroidism is known to reduce appetite and absorption from the gut in the rat (Leathern, 1953) which is paradoxical to the effects reported in the literature for thyroproteins.…”

“…Iodinated casein is known to increase the basal metabolic rate and to reduce weight gains (Reineke & Soliman, 1953). Lactating sows fed thyroprotein also exhibit an increased loss of body weight (Dudley, Becker, Jensen & Terrill, 1956;Johnson, Hays, Speer & Catron, 1959;Wahlstrom, 1959). Johnson et al (1959) reported that the effect of thyroprotein on respiration rate, heart rate and rectal temperature is dose dependent.…”

Solvent-extracted rapeseed oil meal as a protein source for pigs and rats /

“…Thyroactive compounds have been tested as lactation stimulants for swine by Davis et al (1959), Dudley _et al (1959), and Johnson e_t al. (c) Serum protein-bound iodine levels of swine at market weight and of rats at 6 and 12 weeks of age.…”