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  • Title: Effects of light environment on the weight of bursa of Fabricius in White Rock chicks.
    Author: Vriend J, Oishi T, Domey RG.
    Journal: Growth; 1975 Mar; 39(1):53-66. PubMed ID: 1132775.
    Abstract:
    The weight of the bursa of Fabricius of White Rock chicks reared under two photoperiods was studied in relation to body weight, weight of the endocrine organs, and spleen using a multiple correlation method. At the 95% level of confidence the coefficient of determination suggested that the weight of the bursa could be predicted with 77% plus or minus 7.8% accuracy from the organs weighed for a period from 2-24 weeks, the weight of the pituitary being the most stable contributor to this prediction. The weight of the spleen, similarly, could be predicted with a 92% plus or minus 3.8% accuracy. Correlations of testes and thyroid weight with bursa weight suggested possible influence of testosterone and thyroxin on bursa-spleen relationships during the period of bursal growth and involution.
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