J. A. Tur. Comparative Physiology in Balearic Islands. Since 1981, the Balearic Islands Research Group in Comparative Physiology (BIGCOPHYS) is devoted to teach and research in different fields of Comparative Physiology. The main research has been the study of digestive function in several species and different methabolic conditions: The development of gastrointestinal (GI) motility in all regions of digestive tract in young chickens and chick embryos, and the effects of several environmental and physiological influences on GI motor function; the characterization of the role played by the yolk stalk in the yolk sac resorption in young post-hatched chickens; the intestinal absorption of sugars in chick embryos and newly-hatched chicks, and sugars and amino acids in young chickens submitted to starvation; the effect of cafeteria diet on both the GI transit and emptying, and the intestinal absorption of nutrients in developing Wistar rats; and the intestinal absorption of sugars in pregnant, lactating, weaning and post-weaning dams, using Wistar rats. Animal behaviour, finding new analytical techniques and the effects of several drugs, and dessign of an animal model to study an human illness, the calcium oxalate urolithiasis, its prevention and treatment have also been studied. This paper compiles the research results of our Group. Since 1981, the Balearic Islands Research Group In Comparative Physiology (BIGCOPHYS) is devoted to teach and research in different fields of Comparative Physiology. The main field of BIGCOPHYS research is the study of digestive function, which has been done in several species and different methabolic conditions. In spite of this, minor studies in other fields, i.e.: animal behaviour and dessign of animal models to study human pathology, were also done. This paper compile research results of our Group.
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