Showing papers by "Donald V. Lightner published in 1977"

TL;DR: Brown-to-black pigment deposits present in association with sites of hemocytic activity in penaeid shrimp were demonstrated to be melanin by use of histochemical techniques.

TL;DR: All shrimp fed 0, 100 or 1 000 mg of oxytetracycline/kg of feed died within 24 h following inoculation with a standard dose of Vibrio alginolyticus, but death generally took place later in the 24-h period than with those fed at the lower drug concentrations.