Supplementation of Copper as Copper Sulfate or Copper Proteinate for Growing Calves Fed Forages Containing Molybdenum

Kincaid, R.L.; Blauwiekel, Ruth; Cronrath, J.D.

doi:10.3168/jds.s0022-0302(86)80381-2

Cited by 66 publications

(38 citation statements)

References 5 publications

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“…22 Copper deficiency is a problem for cattle throughout the world. 22 Typical clinical signs of copper deficiency include growth retardation, 29 increased susceptibility to infections often associated with depressed humoral immune response, 10 anemia, 4 abnormal bone growth, 27 diarrhea, 19 reproductive failure, 17,29 vascular abnormalities, and at extremely low concentrations, sudden death may occur. 35 At the other extreme, copper toxicosis often results in an acute hemolytic crisis, 26 with sudden death due to the rapid release of copper from liver stores or subsequent oxidative damage and lysis of erythrocytes and resultant renal failure.…”

Section: Introductionmentioning

confidence: 99%

“…35 At the other extreme, copper toxicosis often results in an acute hemolytic crisis, 26 with sudden death due to the rapid release of copper from liver stores or subsequent oxidative damage and lysis of erythrocytes and resultant renal failure. 15,35 Sources of copper that can contribute to overexposure include mineral mixtures in feeds, 19 milk replacer, 18 copper sulfate as an anthelminthic and as a foot bath, pasture fertilizers, 19 feeding poultry litter, 34 contamination of soils and vegetation near mining and refining operations, 15,24 copper oxide boluses, 16,28 copper wire boluses, 13 and injectable copper supplementation. 1,8,19 Conventional assessment of copper values in calves does not consider possible normal accumulation of copper from dietary sources as calves age, 35 the different amounts of copper consumed by calves in different production systems (e.g., beef vs. dairy), or differences associated with sex.…”

Section: Introductionmentioning

confidence: 99%

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Influence of Age and Production Type on Liver Copper Concentrations in Calves

Puschner

Thurmond²,

Choi

2004

J VET Diagn Invest

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Abstract.A retrospective study of necropsy reports was undertaken to assess the relation between liver copper concentration and age, sex, and production class for calves that did not have a history compatible with copper toxicosis or with copper deficiency. Results of a generalized least squares regression analysis of 601 records found that copper concentration was as much as 60 mg/kg wet weight higher for dairy calves than for beef calves (P Ͻ 0.00001, R 2 ϭ 0.172). For both beef and dairy calves, copper concentration also was significantly associated with linear (P ϭ 0.001) and nonlinear (age 2 , P ϭ 0.002; age 3 , P ϭ 0.008) functions of age, where the concentration increased for the first 2 months, then declined until 9 months of age, after which it began to increase. Sex was not associated with copper concentration (P ϭ 0.22). The 95% confidence intervals of the mean concentration for a group of calves and the 95% prediction intervals of a single concentration value for an individual animal are presented. As a consequence of the significant influence of both production class (dairy or beef) and age on liver copper concentration of calves with no evidence of copper toxicosis or copper deficiency, diagnosis of copper imbalances based on liver copper concentration in calves should consider the diagnostic covariates of age and production class.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Influence of Age and Production Type on Liver Copper Concentrations in Calves

Puschner

Thurmond²,

Choi

2004

J VET Diagn Invest

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“…Reductions in growth rate (Gengelbach et al 1994;Kegley and Spears 1994) and reduced immune function of calves (Gengelbach et al 1997) have been associated with this conditioned Cu deficiency. Organic Cu sources have the potential to improve Cu status with high Mo diets (Kincaid et al 1986) and in stressed calves (Nockels et al 1993), but the relatively high cost of the organic Cu sources would prohibit feeding them throughout the entire grazing period before shipment to a feedlot. This study was designed to determine the effects of short-term (29 d) Cu supplementation from CuPRO compared to a basal level of Cu from CuSO 4 before shipping to the feedlot on health status and growth of steers backgrounded on winter-annual pasture and after arrival at a feedlot.…”

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confidence: 99%

Performance of steers supplemented with copper before and during receiving at the feedlot

Beck¹,

Gunter²,

Duff³

et al. 2002

Can. J. Anim. Sci.

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. 2002. Performance of steers supplemented with copper before and during receiving at the feedlot. Can. J. Anim. Sci. 82: 87-93. The effects of supplemental Cu in the diets of beef steers grazing winter-annual pasture and(or) during receiving at a feedlot were examined. On 19 February, 84 steers (average BW = 216 ± 1.5 kg) were weighed and randomly assigned to 12 bermudagrass pastures (0.81 ha each) overseeded with wheat, rye, and annual ryegrass (seven steers/pasture). All steers were fed 0.91 kg daily of a corn-based supplement containing a basal level of Cu (control; 21 mg of Cu d -1 ) while grazing winter-annual pasture until 16 April. On 16 April, the steers were weighed, bled via jugular venipuncture, and one-half of the steers were supplemented with an additional 1.5 g of Cu proteinate (CuPRO; 150 mg Cu d -1 ), during the last 29 d of grazing before shipping to a feedlot. On 17 May, the steers were shipped to a research feedlot (14 h transit, 1.016 km). After arrival on 18 May, one-half of the groups of cattle that received each treatment during grazing received 150 mg of Cu from CuPRO daily (2 × 2 factorial) for 42 d. The supplementation of steers grazing pasture with additional Cu from CuPRO during the last 29 d of grazing tended to increase (P = 0.10) ADG and BW on day 29. The BW advantage expressed by CuPRO supplemented steers was not as apparent (P = 0.18) upon arrival at the feedlot, but at the conclusion of the receiving period, steers fed CuPRO on pasture were 6.3 kg heavier (P = 0.04). No benefit was noted (P > 0.14) when CuPRO was fed during receiving at the feedlot. During the grazing phase, additional Cu from CuPRO seemed beneficial compared to basal Cu levels. ont été pesés puis répartis au hasard dans 12 prés (de 0,81 ha chacun) de chiendent pied-de-poule sursemés de blé, de seigle et de ray-grass annuel (7 animaux par pâturage). Chaque jour, les bouvillons ont reçu 0,91 kg d'un supplément à base de maïs contenant une quantité minimale de cuivre (témoin; 21 mg de Cu par jour) pendant la période de paissance, jusqu'au 16 avril. À cette date, les auteurs ont de nouveau pesé les bêtes, ont prélevé des échantillons de sang par ponction de la jugulaire puis ont administré à la moitié un second supplément de 1,5 g de protéinate de cuivre (CuPRO; 150 mg de Cu par jour) pendant les 29 derniers jours de paissance précédant l'expédition au parc d'engraissement. Le 17 mai, les animaux ont été envoyés à un parc d'élevage expérimental (14 h de transport, 1 016 km). À leur arrivée, le lendemain, la moitié des bouvillons de chaque groupe a reçu 150 mg de CuPRO (répartition factorielle 2 × 2) et quotidiennement par la suite, pendant 42 jours. L'administration du supplément aux bouvillons pendant les 29 derniers jours de paissance a tendance à augmenter (P = 0,10) le GQM et le poids corporel au 29 e jour. L'avantage procuré par le CuPRO n'était pas manifeste (P = 0,18) à l'arrivée au parc d'engraissement, mais à la fin de la période d'élevage, les animaux de ce groupe pesaient 6,3 kg de plus (P = 0,04). L'ad...

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“…and lack of response (Judson et al 1984; Trengove and Judson 1985;Ivan and Veira 1985;Kincaid et al 1986) C+CuSOo-5f C rCuSOa-10 C. C+CuCl2-10 fStandard error.…”

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confidence: 99%

Copper Accumulation in the Liver of Sheep and Cattle Fed Diets Supplemented With Copper Sulfate or Copper Chloride

Ivan¹,

Proulx²,

Morales³

et al. 1990

Can. J. Anim. Sci.

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Six groups of 12 pregnant cows were fed barley or grass silage with or without copper sulfate or copper chloride supplements (16 or 14 mg copper kg−1 dry matter (DM)). In addition, five groups of 10 lambs were fed diets supplemented with 5 or 10 mg Cu kg−1 DM as salts of sulfate or chloride. The two Cu salts produced equal increases in the concentration of Cu in the livers of both sheep and cattle. Key words: Sheep, cattle, liver, copper sulfate, copper chloride

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Supplementation of Copper as Copper Sulfate or Copper Proteinate for Growing Calves Fed Forages Containing Molybdenum

Cited by 66 publications

References 5 publications

Influence of Age and Production Type on Liver Copper Concentrations in Calves

Influence of Age and Production Type on Liver Copper Concentrations in Calves

Performance of steers supplemented with copper before and during receiving at the feedlot

Copper Accumulation in the Liver of Sheep and Cattle Fed Diets Supplemented With Copper Sulfate or Copper Chloride

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