Hostname: page-component-7bb8b95d7b-lvwk9 Total loading time: 0 Render date: 2024-09-07T05:40:15.517Z Has data issue: false hasContentIssue false
  • English
  • Français

The Variations in milk yields caused by season of the year, service, age, and dry period, and their climination: Part III. Age

Published online by Cambridge University Press:  27 March 2009

H. G. Sanders
H. G. Sanders
Affiliation:
Institute of Animal Nutrition, School of Agriculture, Cambridge.
Get access Rights & Permissions [Opens in a new window]

Extract

Age, it will be remembered, is here measured in lactations, but little error is involved if the true age in years, at the commencement of the lactation, is taken as two more than the number of the lactation—e.g. a cow, on the average, calves her third calf when she is roughly 5 years old.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 18 , Issue 1 , January 1928 , pp. 46 - 67
Copyright
Copyright © Cambridge University Press 1928

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

(1)Gowen, (1924). Milk Secretion. Baltimore.Google Scholar
(2)Turner, (1925). The Relation between Age, Weight, and Fat Production in Dairy Cows. Mo. Exp. Sta. Bull. 221.Google Scholar
(3)Van, Wagenen (1922). The Cow. New York. P. 110.Google Scholar
(4)Zwagerman, (1925). De Oorzaken voor Variaties in de Melkopbrengsten. Off. Org. van der Algemeen Nederlandschen Zuivelbond, No. 1009.Google Scholar