LR Berghman
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View article: In situ detection and quantification of bursa of fabricius cellular proliferation or apoptosis in normal or steroid-treated neonatal chicks
In situ detection and quantification of bursa of fabricius cellular proliferation or apoptosis in normal or steroid-treated neonatal chicks Open
Apoptosis, or programmed cell death, is believed to be the mechanism for depletion of lymphocytes recognizing self-antigens following clonal expansion in the bursa of Fabricius. Although bursal apoptosis has previously been shown to increa…
View article: Pre- and posthatch developmental changes in hypothalamic thyrotropin-releasing hormone and somatostatin concentrations and in circulating growth hormone and thyrotropin levels in the chicken
Pre- and posthatch developmental changes in hypothalamic thyrotropin-releasing hormone and somatostatin concentrations and in circulating growth hormone and thyrotropin levels in the chicken Open
Thyrotropin-releasing hormone (TRH) and somatostatin (SRIH) concentrations were determined by RIA during both embryonic development and posthatch growth of the chicken. Both TRH and SRIH were already detectable in hypothalami of 14-day-old…
View article: Plasma levels of growth hormone and insulin-like growth factor-I and -II from 2 to 6 weeks of age in meat-type chickens selected for 6-week body weight or for feed conversion and reared under high or normal environmental temperature conditions
Plasma levels of growth hormone and insulin-like growth factor-I and -II from 2 to 6 weeks of age in meat-type chickens selected for 6-week body weight or for feed conversion and reared under high or normal environmental temperature conditions Open
The aim of this study was to compare the effect of high (33 degrees C) and normal (33-20 degrees C) rearing temperature on growth and plasma levels of the somatotrophic hormones of 2 genetic lines of broiler chickens selected for 6-wk body…