Metabolic responses of chicken embryos to graded, prolonged alterations in ambient temperature.

@article{Tazawa1989MetabolicRO,
  title={Metabolic responses of chicken embryos to graded, prolonged alterations in ambient temperature.},
  author={Hiroshi Tazawa and Akihiro Okuda and Saburo Nakazawa and G. Causey Whittow},
  journal={Comparative biochemistry and physiology. A, Comparative physiology},
  year={1989},
  volume={92 4},
  pages={613-7}
}
1. Chicken embryos aged 12, 16, 18 and 20 (externally pipped) days of incubation were exposed to graded reductions (2 degrees C) in ambient temperature from 38 to 28 degrees C, exposure to each temperature lasting up to 9 hr. 2. Oxygen uptake was measured first at 38 degrees C and then in the quasi-equilibrium state at lowered temperatures. The temperature coefficient (Q10) was calculated for each egg. 3. For mild cooling (32 degrees C), the Q10 in 18-day-old embryos was about 1.5, while 12… CONTINUE READING

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