Fig. 3From: Identification of a quantitative trait loci (QTL) associated with ammonia tolerance in the Pacific white shrimp (Litopenaeus vannamei)Quantitative trait loci (QTL) for ammonia tolerance in Litopenaeus vannamei, showing the logarithm of odds (LOD) values of the linkage groups. The gray line indicates the LOD threshold (4.75; P = 0.05)Back to article page