Cupric oxide should not be used as a copper supplement for either animals or humans

[1] BIOAVAILABILITY OF COPPER IN ANALYTICAL-GRADE AND FEED-GRADE INORGANIC COPPER SOURCES WHEN FED TO PROVIDE COPPER AT LEVELS BELOW THE CHICKS REQUIREMENT [J]. POULTRY SCIENCE, 1993, 72 (06) : 1075 - 1083

[2] COPPER-AMINO ACID COMPLEXES ARE PARTIALLY PROTECTED AGAINST INHIBITORY EFFECTS OF L-CYSTEINE AND L-ASCORBIC-ACID ON COPPER ABSORPTION IN CHICKS [J]. JOURNAL OF NUTRITION, 1994, 124 (03) : 388 - 395

[3] Baker D. H., 1995, Bioavailability of nutrients for animals: amino acids, minerals, and vitamins., P127, DOI 10.1016/B978-012056250-3/50034-2

[4] BIOAVAILABILITY OF COPPER IN CUPRIC OXIDE, CUPROUS-OXIDE, AND IN A COPPER-LYSINE COMPLEX [J]. POULTRY SCIENCE, 1991, 70 (01) : 177 - 179

[5] PHARMACOLOGICAL ROLE OF CYSTEINE IN AMELIORATING OR EXACERBATING MINERAL TOXICITIES [J]. JOURNAL OF NUTRITION, 1987, 117 (06) : 1003 - 1010

[6] BAKER DH, 1993, P ARK NUTR C, P127

[7] EFFECTS OF SOURCE AND LEVEL OF COPPER ON PERFORMANCE AND LIVER COPPER STORES IN WEANLING PIGS [J]. JOURNAL OF ANIMAL SCIENCE, 1989, 67 (11) : 2996 - 3002

[8] A POST-ABSORPTION EFFECT OF L-ASCORBIC-ACID ON COPPER-METABOLISM IN CHICKS [J]. JOURNAL OF NUTRITION, 1981, 111 (11) : 1964 - 1968

[9] EFFECT OF REDUCING AGENTS ON COPPER DEFICIENCY IN CHICK [J]. JOURNAL OF NUTRITION, 1965, 85 (03) : 271 - &

[10] Lack of a recommended dietary allowance for copper may be hazardous to your health [J]. JOURNAL OF THE AMERICAN COLLEGE OF NUTRITION, 1998, 17 (04) : 322 - 326

[1] BIOAVAILABILITY OF COPPER IN ANALYTICAL-GRADE AND FEED-GRADE INORGANIC COPPER SOURCES WHEN FED TO PROVIDE COPPER AT LEVELS BELOW THE CHICKS REQUIREMENT [J]. POULTRY SCIENCE, 1993, 72 (06) : 1075 - 1083

[2] COPPER-AMINO ACID COMPLEXES ARE PARTIALLY PROTECTED AGAINST INHIBITORY EFFECTS OF L-CYSTEINE AND L-ASCORBIC-ACID ON COPPER ABSORPTION IN CHICKS [J]. JOURNAL OF NUTRITION, 1994, 124 (03) : 388 - 395

[3] Baker D. H., 1995, Bioavailability of nutrients for animals: amino acids, minerals, and vitamins., P127, DOI 10.1016/B978-012056250-3/50034-2

[4] BIOAVAILABILITY OF COPPER IN CUPRIC OXIDE, CUPROUS-OXIDE, AND IN A COPPER-LYSINE COMPLEX [J]. POULTRY SCIENCE, 1991, 70 (01) : 177 - 179

[5] PHARMACOLOGICAL ROLE OF CYSTEINE IN AMELIORATING OR EXACERBATING MINERAL TOXICITIES [J]. JOURNAL OF NUTRITION, 1987, 117 (06) : 1003 - 1010

[6] BAKER DH, 1993, P ARK NUTR C, P127

[7] EFFECTS OF SOURCE AND LEVEL OF COPPER ON PERFORMANCE AND LIVER COPPER STORES IN WEANLING PIGS [J]. JOURNAL OF ANIMAL SCIENCE, 1989, 67 (11) : 2996 - 3002

[8] A POST-ABSORPTION EFFECT OF L-ASCORBIC-ACID ON COPPER-METABOLISM IN CHICKS [J]. JOURNAL OF NUTRITION, 1981, 111 (11) : 1964 - 1968

[9] EFFECT OF REDUCING AGENTS ON COPPER DEFICIENCY IN CHICK [J]. JOURNAL OF NUTRITION, 1965, 85 (03) : 271 - &

[10] Lack of a recommended dietary allowance for copper may be hazardous to your health [J]. JOURNAL OF THE AMERICAN COLLEGE OF NUTRITION, 1998, 17 (04) : 322 - 326