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AN ANALYSIS OF THE 1948 JERSEY HEIFER REGISTRATION DATA TO PROVIDE INFOHMA TION
CONCERNING SOME FEATURES OF NEW ZEALAND PEDIGREE JERSEY CATTLE.
A Thesis Presented to
Massey Agricultural College, School of Agriculture, University of New Zealand.
IN P AR TIAL FULFILMENT
OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF AGRICULTURAL SCIENCE.
by
MD. F AHIMUDDIN.
January, 1952.
\
Introduction Source of Data Treatment of Data
. .
The Age Distribution of Sires of Jersey Heifers 1 2 2
ftegistered in the 1948 Herd
Book
• 4(A) The age of bulls used in New Zealand Pedigree Jersey Herds to sire Regis-
tered Heifers • •
5
(B)
The Sire Progeny Interval in New ZealandPedigree Jersey Cattle. 7
(C) Annual Heifer Registration per Sire
in relation to the Sire's age • • 1 1 (D) The Origin of Sires in Relation to
Annual Heifer Registrations. . 14
(E)
The Dispersion of Progeny Groups 1 9Herd Size in the New Zealand Pedigree Jersey
Cattle Industry • • 22
The Relative Importance of Pedigree Herds . • • • 2 7
Summary and Conclusions.
Summary Conclusions.
Bibliography . . Acknowledgements
. . . .
. .
38 41 44 45