REYNOLDSBURG. Ohio
Seven research projects have
received funding totaling $35,000
from The American Jersey Cattle
Club Research Foundation.
Each year the AJCC Research
Foundation sponsors competitive
research grants to fund projects
addressing significant issues for
die Jersey breed and Jersey milk
producers. Since the beginning,
the Foundation has provided par
tial or full funding to approxi
mately 10 worthy projects every
year.
The AJCC Research Founda
tion sends out a Call For Proposals
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each September for research pro
jects to be funded the following
year. The Foundation is a perma
nent trust operated to promote and
sponsor scientific research in the
dairy industry.
Six research priorities have
been established by the AJCC
Research Advisory Committee,
including: Nutrition of high
producing Jerseys; Factors affect
ing yield of products manufac
tured from Jersey milk; Factors
affecting net income, longevity,
and lifetime profit; Optimal young
sire usage; Biological and eco
nomics efficiencies of Jerseys;
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and Factors affecting management
of Jersey calves.
The projects receiving funding
this year fall into four of these six
categories.
Factors affecting manage
ment of Jersey Calves:
1. Epidemiology and econom
ics of dairy heifer management
practices on Jersey farms in Pen
nsylvania, A. J. Heinrichs, Pen
nsylvania Slate University: Preva
lence of Escherichia Coli, rotavir
us, and coronavirus and incidence
of disease in Jersey calves, James
D. Quigley 111, D. A. Bcmis, L. N.
Potgeiter, C. R. Reinemyer and B.
r ones have too.
Research
W. Rohrbach, University of Ten
nessee; and The effect of plasma
calcium concentration on neutro
phil adherence and migration in
Jersey cows and calves, Howard
D. Tyler and Sushila J. Kapil,
lowa State University.
Factors affecting yield of pro
ducts manufactured from
Jersey milk:
Determination of Jersey skim
milk membrane quality for pre
vention of culture agglutination
during the manufacture of cottage
cheese curd, C. L. Hicks, Univer
sity of Kentucky; and Comparison
of cheese manufacturing proper
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ties and cheese yield from Jersey
and Holstein milk of similar pro
tein genetic variants, Phillip S.
Tong, California Polytechnic
Stale University.
Nutrition of high-producing
Jerseys:
Effect of protected amino acids
on milk production and composi
tion of Jersey cows fed whole cot
tonseed, Fred E. Pardue, Jean Ber
trand and Thomas Jenkins, Clem
son University, S.C.
Factors affecting net income,
longevity, and lifetime profit:
Use of genetic markers as indi
cators of mastitis resistance and
milk production in Jersey cattle,
Stephen P. Oliver, Bhushan M.
Jayarao and Arnold M. Saxton,
The University of Tennessee.
The AJCC Research Founda
tion has made research on issues
affecting Jerseys a reality. Early
projects funded by the Foundation
include identifying Limber Legs
and Rectovaginal Constriction as
genetic abnormalities inherited as
autosomal rccessives. Research
helped develop practical ways to
begin eliminating the abnormaluv
from die population.
More recent research with long
reaching effects includes a project
identifying a relationship between
type traits and culling in Jersey
cows.
The conclusion of ihc project
“selection for higher production,
higher udders, and closer teat
placement will improve the eco
nomic efficiency of Jersey cattle
more than selection on production
traits alone” helped The American
Jersey Cattle Club introduce a
new Production-Type Index (PTI)
formula in 1991.
The PTI includes a Functional
Trail Index (FTI) which combines
PTAs for linear traits and weighs
them according to their contribu
tions to net income, placing more
emphasis on trails such as udder
depth, teat placement, and rear
udder height than stature and
strength
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