1992
DOI: 10.1080/00480169.1992.35691
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Iodine content of commercially-prepared cat foods

Abstract: Twenty-eight varieties of commercially-available cat food (23 canned, 5 dried) were analysed for iodine. The iodine concentration varied from less than 0.37 micromol/kg to 41.8 pmol/kg, wet weight (less than 1.48 micromol/kg to 167 micromol/kg, dry weight). Excessive or insufficient iodine intake or wide swings in iodine intake over prolonged periods may contribute to thyroid disorders in cats.

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Cited by 41 publications
(38 citation statements)
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“…Low thyroid hormone concentrations cause increased TSH concentrations, which lead to thyroid hyperplasia and goiter. Although acute changes in iodine intake result in inverse changes in thyroid hormone concentrations in cats, longer-term studies suggest that cats are able to auto regulate thyroid hormone synthesis and maintain thyroid hormone concentrations within reference range despite variable iodide intake (Mumma et al, 1986;Johnson et al, 1992;Edinboro et al, 2013). In some individuals, correction of iodine deficiency or administration of excess iodine can lead to thyrotoxicosis, which may be transient or persistent.…”
Section: Iodinementioning
confidence: 99%
“…Low thyroid hormone concentrations cause increased TSH concentrations, which lead to thyroid hyperplasia and goiter. Although acute changes in iodine intake result in inverse changes in thyroid hormone concentrations in cats, longer-term studies suggest that cats are able to auto regulate thyroid hormone synthesis and maintain thyroid hormone concentrations within reference range despite variable iodide intake (Mumma et al, 1986;Johnson et al, 1992;Edinboro et al, 2013). In some individuals, correction of iodine deficiency or administration of excess iodine can lead to thyrotoxicosis, which may be transient or persistent.…”
Section: Iodinementioning
confidence: 99%
“…82 Iodine content of commercial foods varies widely. 83 Serum free T 4 is suppressed in cats by excessive iodine in commercial diets but not by adding potassium iodate to a standard diet. 84,85 Persistently suppressed T 4 levels could lead to persistent overstimulation of the growth of thyroid glands by TSH and, in theory, could induce adenomatous changes.…”
Section: Endocrine Disordersmentioning
confidence: 98%
“…No presente estudo, em que foram avaliadas dietas secas e úmidas para gatos adultos, nenhuma amostra continha iodo em níveis menores que os sugeridos para gatos pelo NRC (2006) e os valores obtidos ficaram dentro dos limites relatados por Mumma et al (1986) (0,27 a 5,9 mg/kg/MS) e Johnson et al (1992) tanto em rações úmidas (menos de 0,09 mg/kg a 10,45 mg/kg) quanto secas (1,26 mg/kg a 1,75 mg/kg), bem como nos limites encontrados por Ranz et al (2002), cujas concentrações variaram de 0,22 a 6,4 mg de iodo/kg de ração úmida e 0,47 a 3,2 mg de iodo/kg na ração seca.…”
Section: Ração Secaunclassified
“…O iodo presente em dietas comerciais para gatos varia amplamente (JOHNSON et al, 1992;MARTIN et al, 2000;KRAFT;RAMBECK, 2003) e os maiores teores e variações ocorrem nos alimentos enlatados (MUMMA et al, 1986;MARTIN et al, 2000).…”
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