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Relations between iodine requirement/thyroid metabolism and fertility problems in cows

, : Relations between iodine requirement/thyroid metabolism and fertility problems in cows. Reproduction in Domestic Animals 28(7): 385-394

Relations between iodine requirements and thyroid metabolism on the one hand and fertility problems in dairy cows on the other, are reviewed, covering a historical survey, physiology, primary (alimentary) iodine deficiency and secondary iodine deficiency caused by nitrate, thiocyanate or rapeseed oilmeal. It was concluded that milk producers in areas with endemic struma cannot assume that iodine supply via roughage or home-grown concentrates will be sufficient to meet requirements.

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Related references

Wemheuer, W., 1993: Relationship between iodine intake/thyroid metabolism and fertility disorders in dairy cows. Reproduction in Domestic Animals 28(7): 385-394

Belshaw, B.E.; Cooper, T.B.; Becker, D.V., 1975: The iodine requirement and influence of iodine intake on iodine metabolism and thyroid function in the adult beagle. In the study there were 25 dogs of both sexes, 1 to 2 years old and of 9 to 15 kg weight, reared on a commercial dog food which provided the adult, eating to appetite, with a daily I intake of 200 to 400 mu g. The experimental diet was semisynthet...

Miller J.K.; Moss B.R.; Swanson E.W., 1969: Effects of iodine 131 thyroid irradiation damage thyroxine and thio cyanate on radio iodine metabolism in dairy cows. Journal of Dairy Science 52(5): 677-683

Fazio, B.; Costa, U.; D.C.Rlo, M., 1955: Adrenal-thyroid relations: effect of cortisone on intra-thyroid metabolism of iodine. Archivio "e. Maragliano" di Patologia E Clinica 11(1): 115-127

Korber, R.; Jakel, L.; Zastrow, H.J.; Turcke, R. von; Knoblauch, H., 1983: Investigation into the relationship between thyroid gland function and fertility in dairy cows in iodine-deficient herds. 37 cows on pasture in summer and 59 cows in a herd kept indoors throughout the year were treated with 150 g of an iodine preparation daily from 4-6 wk before to 2 wk after parturition (groups 1 and 2), and 41 and 57 cows in the 2 herds received no...

Korber, R.; Groppel, B.; Leirer, R., 1983: Iodine and thyroid metabolism in cows and sheep given nitrate. Nitrate (2 parts NaNO3 and 1 part KNO3) given to 3 test groups of 6 cows at 100 or 200 g/day for 28 days reduced protein-bound iodine and thyroxine in blood serum and iodine in milk, except when iodine (20 mg/day, as KI) was also given. In the lat...

Oresnik, A., 1975: Relations between energy supply of dairy cows and their fertility. 2. Glucocorticoid hormones in blood and fertility of cows after calving. 2. On the first farm described in the preceding abst., prolonged interval from calving to first service was significantly correlated with low glucocorticoid concentrations in blood in the first month. On the second farm low glucocorticoids in the...

Eskjaer Jensen S., 1967: The total iodine metabolism in the thyroid gland evaluation of the quantitative iodine metabolism in the thyroid gland with radioactively labelled iodine. Ugeskrift for Laeger 129(10): 311-315

Jensen, S.E., 1967: Thyroid gland total iodine metabolism. Evaluation of quantitative iodine metabolism in the thyroid gland with radioactive iodine. Ugeskrift for Laeger 129(10): 311-315

Egorenkov, A.N., 1976: Assessment of the inorganic phase of intra thyroid stage of iodine metabolism by the accumulation of per technetate technetium 99m and iodine 131 in the thyroid gland after 10 and 20 minutes. The inorganic phase of intrathyroid I metabolism was studied [in humans] using thyroid gland I131 accumulation in 10 and 20 min, pertechnetate-Tc99m in 20 min after i.v. administration and a 2 h accumulation of Tc after peroral use. The test with...