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Harpaz, S., Monell Chemical Senses Center, 3500 Market Street, Philadelphia, PA 19104, United States
Katz, Y., Monell Chemical Senses Center, 3500 Market Street, Philadelphia, PA 19104, United States
1. 1. Electrophysiological responses of the channel catfish barbels gustatory system to 10-4M of two amino acids, l-alanine and l-arginine, were monitored following transportation of the fish to the laboratory's holding tanks. 2. 2. During the entire monitoring period, up to 20 days post-transportation, only small changes in gustatory response were observed, which were not correlated with changes in plasma cortisol levels, which were used as a stress indicator. 3. 3. Injecting channel catfish with cortisol produced no significant effect on gustatory perception of the two amino acids tested, although it accelerated liver glycogen depletion. © 1992.
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Stress-related cortisol levels in channel catfish (Ictalurus punctatus) plasma do not affect peripheral amino acids chemoreception
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Harpaz, S., Monell Chemical Senses Center, 3500 Market Street, Philadelphia, PA 19104, United States
Katz, Y., Monell Chemical Senses Center, 3500 Market Street, Philadelphia, PA 19104, United States
Stress-related cortisol levels in channel catfish (Ictalurus punctatus) plasma do not affect peripheral amino acids chemoreception
1. 1. Electrophysiological responses of the channel catfish barbels gustatory system to 10-4M of two amino acids, l-alanine and l-arginine, were monitored following transportation of the fish to the laboratory's holding tanks. 2. 2. During the entire monitoring period, up to 20 days post-transportation, only small changes in gustatory response were observed, which were not correlated with changes in plasma cortisol levels, which were used as a stress indicator. 3. 3. Injecting channel catfish with cortisol produced no significant effect on gustatory perception of the two amino acids tested, although it accelerated liver glycogen depletion. © 1992.
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