CIRCADIAN BIORHYTHM OF HEART BEAT FREQUENCY IN BROILER CHICKS

  • Cristina Dinu Spiru Haret University, Faculty of Medicine Veterinary, 2, Jandarmeriei street, Bucharest
  • Monica Pârvu Spiru Haret University, Faculty of Medicine Veterinary, 2, Jandarmeriei street, Bucharest
  • Ioana Cristina Andronie Spiru Haret University, Faculty of Medicine Veterinary, 2, Jandarmeriei street, Bucharest
  • Elena Mitrănescu Spiru Haret University, Faculty of Medicine Veterinary, 2, Jandarmeriei street, Bucharest
Keywords: heart rate, chicks, light-dark cycle.

Abstract

Due to the structural vicinity and of the synaptic connections of the pineal gland with diencephalon formations, the involvement of the latter in the modulation of the diurnal and nocturnal variations of the organism is possible. In birds, the involvement of the pineal gland in the correlation of the circadian variations of the circadian rhythm was shown by many authors (Binkley, S. et al., 2000, Cain, J. et al., 1999). We monitored for 12 days the early display of this relation surveying day-old broiler chicks.
Published
2008-12-03
Section
Short comunications