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THE INSTITUTIONAL ANIMAL CARE AND USE COMMITTEE (IACUC)

NORMATIVE VALUES: THE SHEEP

Item Normal Value Source
Daily food consumption 2 - 4.5 lb James G. Fox, Bennett J. Cohen, and Franklin M. Loew, Eds.: Laboratory Animal Medicine, Academic Press, 1984.
Diet peculiarities To prevent the animals from overeating,
make gradual change in diet
James G. Fox, Bennett J. Cohen, and Franklin M. Loew, Eds.: Laboratory Animal Medicine, Academic Press, 1984.
Daily water consumption 3.6 liters ad lib. James G. Fox, Bennett J. Cohen, and Franklin M. Loew, Eds.: Laboratory Animal Medicine, Academic Press, 1984.
Dietary protein 15 % James G. Fox, Bennett J. Cohen, and Franklin M. Loew, Eds.: Laboratory Animal Medicine, Academic Press, 1984.
Daily urinary output 10 - 40 ml/kg Merck
Life span 10 - 15 yr James G. Fox, Bennett J. Cohen, and Franklin M. Loew, Eds.: Laboratory Animal Medicine, Academic Press, 1984.
Weight, adult male 175 - 200 lb Smith
Weight, adult female 150 lb  
Birth weight 10 lb Morrow
Breeding age, female 8 - 12 months James G. Fox, Bennett J. Cohen, and Franklin M. Loew, Eds.: Laboratory Animal Medicine, Academic Press, 1984.
Breeding age, male 8 - 12 months James G. Fox, Bennett J. Cohen, and Franklin M. Loew, Eds.: Laboratory Animal Medicine, Academic Press, 1984.
Estrous cycle 16 - 17 days (36 hr estrus - seasonally
polyestrous, Sept. - March)
James G. Fox, Bennett J. Cohen, and Franklin M. Loew, Eds.: Laboratory Animal Medicine, Academic Press, 1984.
Gestation 141 - 151 days James G. Fox, Bennett J. Cohen, and Franklin M. Loew, Eds.: Laboratory Animal Medicine, Academic Press, 1984.
Weaning age 4 - 6 weeks Croston and Pollott
Begin dry food 3 weeks Croston and Pollott
Litter size 1 - 3 James G. Fox, Bennett J. Cohen, and Franklin M. Loew, Eds.: Laboratory Animal Medicine, Academic Press, 1984.
Time to remate Seasonally polyestrous, Sept. - March
(hormones used to regulate breeding dates)
James G. Fox, Bennett J. Cohen, and Franklin M. Loew, Eds.: Laboratory Animal Medicine, Academic Press, 1984.
Breeding life, female 6 yr Croston and Pollott
Breeding life, male 6 yr Croston and Pollott
Mating ratio Pairs; 1 male — 30 females Croston and Pollott
Chromosome number 54 Merck
Rectal temperature 39.5° C (103 ± 1° F) James G. Fox, Bennett J. Cohen, and Franklin M. Loew, Eds.: Laboratory Animal Medicine, Academic Press, 1984.
Respiration rate 12 - 24 breaths/min, avg 19 James G. Fox, Bennett J. Cohen, and Franklin M. Loew, Eds.: Laboratory Animal Medicine, Academic Press, 1984.
Heart rate 60 - 120 beats/min, avg 75 James G. Fox, Bennett J. Cohen, and Franklin M. Loew, Eds.: Laboratory Animal Medicine, Academic Press, 1984.
Blood volume 58 - 64 ml/kg James G. Fox, Bennett J. Cohen, and Franklin M. Loew, Eds.: Laboratory Animal Medicine, Academic Press, 1984.
Maximum safe bleed 6.6 ml/kg Formulary
Red blood cells 22 - 24 x 106/mL James G. Fox, Bennett J. Cohen, and Franklin M. Loew, Eds.: Laboratory Animal Medicine, Academic Press, 1984.
Hemoglobin 9 - 15 g/dl, avg 11.5 James G. Fox, Bennett J. Cohen, and Franklin M. Loew, Eds.: Laboratory Animal Medicine, Academic Press, 1984.
Packed cell volume 24 - 40% James G. Fox, Bennett J. Cohen, and Franklin M. Loew, Eds.: Laboratory Animal Medicine, Academic Press, 1984.
Platelets 2.5 - 7.5 x 105/mL Howard
White blood cells 4 - 12 x 103/mL James G. Fox, Bennett J. Cohen, and Franklin M. Loew, Eds.: Laboratory Animal Medicine, Academic Press, 1984.