Kittima Vanichkul, Nontawith Areechon, Ngampong Kongkathip, Prapansak Srisapoome and Niti Chuchird 2010. Immunological and Bactericidal Effects of Turmeric (Curcuma longa Linn.) Extract in Pacific White Shrimps (Litopenaeus vannamei Boone). Agriculture and Natural Resources. 44, 5 (Oct. 2010), 850–858.