Effect of delayed colostrum collection on colostral IgF concentration in dairy cows

Malantus Moore, Jeff W. Tyler, Munashe Chigerwe, Maisie E. Dawes, John R. Middleton

Research output: Contribution to journalArticle

84 Citations (Scopus)

Abstract

Objective - To determine the effect of timing of first-milking colostrum collection on colostral IgG concentration. Design - Prospective study. Animals - 13 healthy Holstein cows. Procedyres - All calvings were observed. After parturition, calves were not allowed to suckle and were separated from the dam. Colostrum was collected from a single randomly selected quarter at 2, 6, 10, and 14 hours after parturition until all 4 quarters were sampled. Colostral IgG concentration was determined via radial immunodiffusion. Results - Mean colostral IgG concentration was 113, 94, 82, and 76 g/L at 2, 6, 10, and 14 hours after calving, respectively. Colostrum collected 6, 10, and 14 hours after calving had significantly lower IgG concentrations than did colostrum collected 2 hours after calving. Mean colostral IgG concentration at 14 hours after calving was significantly lower than that at 6 hours after calving. Cows in their third or greater lactation had mean colostral IgG concentrations 2 hours after calving (132 g/L) that were greater than the first and second lactation cows (mean, 95 and 100 g/L, respectively). Conclusions and Clinical Relevance - Results indicate that early or immediate colostrum collection from dairy cows will maximize colostral IgG concentration. Adjustment of routine dairy farm management procedures may be required to maximize colostrum quality and minimize prevalence of failure of passive transfer in dairy calves.

Original languageEnglish (US)
Pages (from-to)1375-1377
Number of pages3
JournalJournal of the American Veterinary Medical Association
Volume226
Issue number8
DOIs
StatePublished - Apr 15 2005
Externally publishedYes

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Colostrum
colostrum
calving
dairy cows
Immunoglobulin G
cows
Lactation
dairy farm management
lactation
parturition
Parturition
dairy calves
prospective studies
milking
Immunodiffusion
Holstein
calves
Prospective Studies
animals

ASJC Scopus subject areas

  • veterinary(all)

Cite this

Effect of delayed colostrum collection on colostral IgF concentration in dairy cows. / Moore, Malantus; Tyler, Jeff W.; Chigerwe, Munashe; Dawes, Maisie E.; Middleton, John R.

In: Journal of the American Veterinary Medical Association, Vol. 226, No. 8, 15.04.2005, p. 1375-1377.

Research output: Contribution to journalArticle

Moore, Malantus ; Tyler, Jeff W. ; Chigerwe, Munashe ; Dawes, Maisie E. ; Middleton, John R. / Effect of delayed colostrum collection on colostral IgF concentration in dairy cows. In: Journal of the American Veterinary Medical Association. 2005 ; Vol. 226, No. 8. pp. 1375-1377.
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