Hill,DA~ Peo,ER;Lewis,AJ .(1987) Effect of zinc source and picolinic acid on pig performance and zinc balance in rats. Nutr. Report. Intmal. 35, 1007-1014.
Holden,LA; Muller,LD; Moore,DA; Hammerschmidt,KJ (1996) Evaluation of chelated Cu, Mn, and Zn for lactating dairy cows. J. Dairy Sci., 79 (Suppl. 1) 198 (Abstr.).
Hussein,HS; Fahey,GC; Wolf,BW; Johnson,AB (1993)Effect of cobalt glucoheptonate on in vitro fiber digestion of forages and fiber-containing byproducts. J. Anim. Sci. 71 (Suppl. 1) 292.
Jacques,K; Newman,K (1993) Effect of level and source of copper, zinc and manganese supplementation of milk repalcer on performance, health and plasma mineral levels of Holstein calves. J. Anim. Sci. 71 (Suppl. I) 292.
Kats,LJ;Nelssen,JL; Goodband,RD~ Tokach,MD; Friessen,KG; Owen,KQ; Richert,BT; Dritz,SS (1994) Effect of chelated manganese on growth performance and carcass of finishing pigs. Kansas Swine Day, 165. Garden City, KS.
Kegley,EB; Spears,JW (1994) Bioavailability of feed grade copper sources (oxide, sulfate or lysine) for growing cattle. J. Anim. Sci. 72, 2728.
Littledike,ET; Wittum, TE; Jenkins, TG (1994) Relationship between body composition and liver and serum copper and zinc in mature cows from nine breeds. J. Anim. Sci. 72 (Suppl. 1) 131.
Nockels,CF; DeBonis,J; Torrent,J (1993)Stress induction affects copper and zinc balance in calves fed organic and inorganic copper and zinc sources. J. Anim. Sci. 71,2539-2545.
Olson,PA; Brink,DR; Hickook,DT; Deutscher,GH; Colburn,DJ (1996) Effect of supplementing trace minerals (Cu, Co, Zn and Mn) after calving on productivity of two year old cows. J. Anim. Sci. 74 (Suppl. 1),261.
Patton,RS (1990) Chelated Minerals: What are they. Do they work? Feedstuffs. Feb 26.