DIETARY PHOSPHORUS REQUIREMENT OF JUVENILE SUNSHINE BASS, MORONE-CHRYSOPS FEMALE X MORONE-SAXATILIS MALE Academic Article uri icon

abstract

  • A feeding trial was conducted in which juvenile sunshine bass (initial weight 2.71 0.10 g, mean s.d.) were fed semipurified diets containing graded levels of KH2PO4 to provide 0.34 to 1.04% available phosphorus for a period of 9 weeks in a freshwater culture system. As the experiment progressed, fish fed the basal diet exhibited frequent episodes of tetany. Weight gain and mineral composition of bone and scale tissues were significantly (P0.05) affected by dietary available phosphorus. Non-linear regression analysis of weight gain and feed efficiency data indicated minimum available phosphorus requirements of 0.41 and 0.46% of dry diet, respectively. Similar analyses of bone calcium, bone phosphorus, and scale phosphorus indicated that a minimum of 0.54% available phosphorus was needed for maximum tissue mineralization. Therefore, based on these data, the available phosphorus requirement of juvenile sunshine bass was determined to be approximately 0.5% of dry diet. 1993.

published proceedings

  • AQUACULTURE

author list (cited authors)

  • BROWN, M. L., JARAMILLO, F., & GATLIN, D. M.

citation count

  • 71

complete list of authors

  • BROWN, ML||JARAMILLO, F||GATLIN, DM

publication date

  • July 1993