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Journal of Experimental Biology Current Issue
Evolutionary insights into gut acidification: invertebrate-like mechanisms in the basal vertebrate hagfish
ABSTRACTAcidification is a key component of digestion throughout metazoans. The gut digestive fluid of many invertebrates is acidified by the vesicular-type H+-ATPase (VHA). In contrast, vertebrates generate acidic gut fluids using the gastric H+/...
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Posted: March 25, 2025, 12:00 am
Accounting for the role of the gastro-intestinal tract in the ammonia and urea nitrogen dynamics of freshwater rainbow trout on long-term satiation feeding
ABSTRACTThe contribution of the gut to the ingestion, production, absorption and excretion of the extra ammonia and urea nitrogen (urea-N) associated with feeding (‘exogenous’ fraction) has received limited attention. Analysis of commercial pellet...
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Posted: March 24, 2025, 12:00 am
