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Exotic Animal Formulary5

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2.27 ± 0.99 465 17.37 ± 9.92 465

Eclectus parrot 3.86-25.74 155 —

Jardine’s parrot 2.57-19.31 155 —

Lory 3.86-15.44 155 —

Lovebird 2.57-55.34 155,377 —

Macaw, blue and gold 4.39 ± 2.29 465 15.91 ± 8.16 465

Macaw, scarlet 1.72 ± 0.66 465 8.31 ± 3.99 465

Pigeon 6.05-35.01 155,377,472 —

Pionus parrot 6.44-24.45 155 —

Quaker parrot 5.15-27.03 155 —

Senegal parrot 6.44-29.6 155 —

a

0.5 μg/dL = 6.5 nmol/L = 5 ng/mL. 291 To convert thyroxine from μg/dL to nmol/L, multiply by 12.87. 472

b

T 4 levels will vary with the time of day and year, with higher levels measured in the winter. Physiologic

states such as molting or reproductive activity may also alter the ratio of T 4 to T 3 released. The half-life of

thyroid hormones is much shorter in birds than in mammals; therefore it is difficult to accurately

measure single hormone levels. 513

c

The canine radioimmunoassay (RIA) kit does not accurately measure total T 4 below 6.5 nmol/L. 291

Results of high-sensitivity total T 4 testing in parrots ranged from 2 to 6 nmol/L. This high sensitivity test

is available through the University of Tennessee Clinical Endocrinology Laboratory (865-974-5638). 292

d

Low-dose TSH (0.2 U/kg).

451

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