A prospective study of calf factors affecting first-lactation and lifetime milk production and age of cows when removed from the herd1

Journal of Dairy Science

Volumn 94, Issue 1, 2011, Pages 336-341

  Heinrichs, A J ^a   Heinrichs, B S ^a  

^a PENNSYLVANIA STATE UNIVERSITY   (United States)

Author keywords

Calf and heifer management; Health; Longitudinal data analysis; Milk production

Indexed keywords

AGE; ANIMAL; ANIMAL DISEASE; ANIMAL FOOD; ARTICLE; BODY COMPOSITION; CATTLE; CEREAL; DAIRYING; DIET; FEMALE; LACTATION; METHODOLOGY; MILK; PHYSIOLOGY; PROSPECTIVE STUDY; SECRETION; TIME;

AGE FACTORS; ANIMAL NUTRITIONAL PHYSIOLOGICAL PHENOMENA; ANIMALS; BODY COMPOSITION; CATTLE; CEREALS; DAIRYING; DIET; FEMALE; LACTATION; MILK; PROSPECTIVE STUDIES; TIME FACTORS;

ANIMALIA;

EID: 78650354065     PISSN: 00220302     EISSN: 15253198     Source Type: Journal    
DOI: 10.3168/jds.2010-3170     Document Type: Article

References (19)

1. Britney J.B., Martin S.W., Stone J.B., Curtis R.A. Analysis of early calfhood health status and subsequent dairy herd survivorship and productivity. Prev. Vet. Med. 1984, 3:45-52.
2. Collins L.M., Schafer J.L., Kam C.M. A comparison of inclusive and restrictive strategies in modern missing data procedures. Psychol. Methods 2001, 6:330-351.
3. Correa M.T., Curtis C.R., Erb H.N., White M.E. Effect of calfhood morbidity on age at first calving in New York herds. Prev. Vet. Med. 1988, 6:253-262.
4. Curtis C.R., Erb H.N., White M.E. Descriptive epidemiology of calfhood morbidity and mortality in New York Holstein herds. Prev. Vet. Med. 1988, 5:293-307.
5. Donovan G.A., Dohoo I.R., Montgomery D.M., Bennett F.L. Calf and disease factors affecting growth in female Holstein calves in Florida, USA. Prev. Vet. Med. 1998, 33:1-10.
6. Ettema J.F., Santos J.E.P. Impact of age at calving on lactation, reproduction, health, and income in first-parity Holsteins on commercial farms. J. Dairy Sci. 2004, 87:2730-2742.
7. Gabler M.T., Tozer P.R., Heinrichs A.J. Development of a cost analysis spreadsheet for calculating the costs to raise a replacement dairy heifer. J. Dairy Sci. 2000, 83:1104-1109.
8. Heinrichs A.J., Heinrichs B.S., Harel O., Rogers G.W., Place N.T. A prospective study of calf factors affecting age, body size, and body condition score at first calving of Holstein dairy heifers. J. Dairy Sci. 2005, 88:2828-2835.
9. Heinrichs A.J., Kiernan R.E., Graves R.E., Hutchinson L.J. Survey of calf and heifer management practices in Pennsylvania dairy herds. J. Dairy Sci. 1987, 70:896-904.
10. Heinrichs A.J., Wells S.J., Hurd H.S., Hill G.W., Dargatz D.A. The national dairy heifer evaluation project: A profile of heifer management practices in the United States. J. Dairy Sci. 1994, 77:1548-1555.
11. Hoffman P.C., Funk D.A. Applied dynamics of dairy replacement growth and management. J. Dairy Sci. 1992, 75:2504-2516.
12. Keown J.F., Everett R.W. Effect of days carried calf, days dry, and weight of first calf heifers on yield. J. Dairy Sci. 1986, 69:1891-1896.
13. López de Maturana E., Ugarte E., González-Recio O. Impact of calving ease on functional longevity and herd amortization costs in Basque Holsteins using survival analysis. J. Dairy Sci. 2007, 90:4451-4457.
14. Pirlo G., Miglior F., Speroni M. Effect of age at first calving on production traits and on difference between milk yield returns and rearing costs in Italian Holsteins. J. Dairy Sci. 2000, 83:603-608.
15. Place N.T., Heinrichs A.J., Erb H.N. The effects of disease, management, and nutrition on average daily gain of dairy heifers from birth to four months. J. Dairy Sci. 1998, 81:1004-1009.
16. Rubin D.B. Multiple Imputation for Nonresponse in Surveys 1987, John Wiley & Sons, Inc., New York, NY.
17. Tozer P.R., Heinrichs A.J. What affects the costs of raising replacement dairy heifers: A multiple-component analysis. J. Dairy Sci. 2001, 84:1836-1844.
18. Waltner-Toews D., Martin S.W., Meek A.H. The effect of early calfhood health status on survivorship and age at first calving. Can. J. Vet. Res. 1986, 50:314-317.
19. Warnick L.D., Erb H.N., White M.E. Lack of association between calf morbidity and subsequent first lactation milk production in 25 New York Holstein herds. J. Dairy Sci. 1995, 78:2819-2830.