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Table 5. Lethal and sublethal effects of various arsenicals on selected <br />species of birds. <br />Species and arsenic <br />compound <br />Effect Referencea <br />Chukar, Alectoris chukar <br />Silvisar-510 (mixture of <br />cacodylic acid and tri- <br />ethanolamine cacodylate) <br />Mallard, Anas <br />platyrhynchos <br />Sodium arsenite <br />Sodium arsenite <br />Sodium cacodylate <br />Silvisar 510 <br />Lead arsenate <br />Copper acetoarsenite <br />California quail, Callipepla californica <br />Sodium arsenite <br />Single oral LD-50 <br />dose of -2,000 <br />mg/kg body weight <br />(BW); signs of <br />poisoning evident <br />within 10 minutes <br />and mortalities within <br />1 to 2 days post- <br />administration. <br />Remission took up <br />to one month. 1 <br />323 mg/kg BW is LD-50 <br />acute oral value. <br />500 mg/kg diet is fatal <br />to 50% in 32 days; 1,000 <br />mg/kg diet fatal to 50% <br />in 6 days. <br />1,740 to 5,000 <br />mg/kg diet not measurably <br />harmful to ducklings <br />in 5 days. <br />Single oral LD-50 >2,400 <br />mg/kg BW; reguritation <br />and excessive drinking <br />noted. <br />5,000 mg/kg diet not <br />fatal in 11 days. <br />5,000 mg/kg diet fatal <br />to 20% in 11 days. <br />LD-50 single oral dose <br />of 47.6 mg/kg BW. <br />1,2,3 <br />2 <br />4 <br />1 <br />2 <br />2 <br />1 <br />57