EXTENSION CORNER
Sire Evaluation fur Somatic
Cell Scores
by Larry W. Specht
Professor of Dairy Science
Penn State University
The USD A Animal Improve
ment Programs Lab (AIPL) has
developed a sire evaluation
program for the genetic im
provement of mastitis resis
tance. Plans are to release this
information on sires with
January 1994 genetic evaluation
summaries.
AIPL calculates and publishes
genetic evalutation for produc
tion traits (milk, fat and protein)
using DHIA records. Genetic
evaluations for mastitis resis
tance will be producedfrom
DHIA somatic cell count data
on daughters or individual sires
with procedures similar to those
used with production traits.
Somatic cell counts (raw
scores) will be converted to
somatic cell scores (SCS) for
the evaluation.
Geneticists caution that dairy
men should not over emphasize
mastitis in their sire selection
strategy. They agree that
_=== Welcome ==rr
NEW MEMBERS Since
June to November, 1993
by County
Armstrong. Fred Maltiho
Beaver Douglas Fauns
Bedford Kidds Cows,
Charles Mowiy. Claycomb
Icrseys. Clouse Bios
Berks Brute S /.über, Evan
Dilollettc. Peaceful Valley
Farm
Blair TußiichFarm
Bradford' Robert L.
Jennings, Wall Shaffer.
Brent MacWhinme. Lyle &
Donna Molymcux
Butler Chuck & Patty
Rassau
Centre. Elam Stoltsfus.
Daniel K. Lapp. Dave
Chveichko, Moms Z
Stoltzfus. Paul Brown
Chester. Donald L
Kauffman #2. Samuel A
Stoltzfus, John E Esch.
Ephraim R Lapp. John King
Clinton: Mi. & Mrs.
Chnsemer, Elam B. Stoltzfus
Columbia Pen Col 2, Sad
Acres
Crawford M K. Firth.
Spring Valley Farms, Forget
Me Not Farm
Cumberland' Clouse Bios.
Djiiry
Dauphin Kenneth Stolt/loos
Erie- Ed Matenk
Payette. Arnold Faim
Pranklin. Tiuman Martin,
Franklin Offutt. Roger A.
Garber, George E. Mason.
Dana Funk, Marlin G.
production should continue to '
be the major component when ,
selecting sires. However, when
bulls with similar production
values are available, it would be
prudent to select those with the
lower SCS evaluations. It
should also be pointed out that
no amount of selection intensity
for lower SCS scores with
replace good management in
controlling mastitis.
Other changes in the January
1994 sire evaluations are (1)
adjustment to the milk. fat.
protein dollar values (M,EP,S)
to account for the cost of
additional feed required for the
higher production by daughters
of the higher ranking sires, (2)
inclusion of production life (PL)
in the new evaluation index and
(3) creation of a Net Merit
(NM) index that will include the
production trails as well as the
SCS and PL values.
Values from the Net Merit
index have been compared to
those from the M,F,P,S index
for a large sample of sires. The
correlation between the two
indexes is 0.96. Thus, there
will not be a lot of change in the
rankings of individual sires
when the January 1994 summa
ries are published.
Brickcr, Fred M Gather,
Clair E Gat her, Chris Gold
Hulsleins. Chris Gold
Gueinscys, Pleasant Valley
lerseys. Hcihetl D Fiey, Jay
Grove
Fulton. Nelson ()ckcr
Huntingdon Lemm Farm
Indiana. Robert Lydic
Juniata: Stuail D lines,
Warren S. Auker.Getald
Spigeimyct, Elvm Ranck,
Gciald Halt
Lackawanna Louis &
Samuel Spadmc
Lancaster. Kenneth
Hamish. Samuel F. Zook.
Star Roek Farms, Bernaid
Fitlery
Lawrence. Biad Wilson,
Hideaway Dutch. Scott
Snyder, Richard Martin
Lebanon. Jonathan Summy
David & Donna Blatt. Gaiy
& Lisa Krall
Lycoming Lynn Reece.
Famswoith Faims Inc
McKean. G.L Cailson Inc.
No 4
Mercer Joe Bioss. S & L
Farm. Chestnut Ridge
Mifflin Eugene F. Byler
Montgomery; Chester
Soltys,lU
Northampton. Blau A
McCloskey
Perry. Reuben Riehl
Somerset. Dreamway Acres
Sullivan Richard R. Higley
Susquehanna: Robe it Reyan
Tioga Joe & Brenda
Cochran. David E. Weeks I,
David E Weeks 11, Kerek
Farms. Dave & Deb Richail
Union Mae De Farms,
Midges Meadows, Norman
N Martin, Sail! Hollcnbach.
Cold Run Jciseys
Warren Richaid
Hamngton. Dairy! (Well,
Maik Lawson
Washington. Hildicth Dany
Acres
Multiple Component
Pricing is Here
Multiple Component Pricing can be
defined as a method in which the
pricing of milk uses all the compo
nents of milk, including butterfat,
protein and/or solids-not-fat. The
dairy industry has priced milk, based
on weightand butterfat content, since
the early 1900’s. For sometime now
the systerr has not been reflective of
commerci, demand m the market
place. To be mote specific, the con
sumers are demanding lowfat dairy
products.
Muluple Component Pricing would
send the consumer a more positive
and accurate market or economic
signal.
So far in Pennsylvania, federal order
36, which comprises Eastern Ohio-
Western Pennsylvania; the MCP has
taken effect and is being used to price
milk.
Low Somatic Cell is also important
totheMCP. For example, Producers'
A and B have milk with identical
protein content but differ greatly in
somatic cell counts (SCC). Producer
A has a SCC of 150,000 while pro
ducer B has a SCC of 900.000. Pro
ducer A is more desirable because of
the greater value to cheese manufac
turers. The rule of thumb is that
cheese yields increase as SCC tests
decrease. When all summed up in
one sentence, high protem/low SCC
milk has the most economic value.
Winter District
Meetings
The November Fall
District Director Meetings
are finished and it's now
time to prepare for the
district DHIA Winter
meetings to be held in
January or February. The
districts that will need to
hold meetings are the
districts where an election
needs to lake place. It was
agreed at the Fall District
Meetings that other
districts may meet with
those districts where
elections need to take
place and an agenda will
be sent to the local
committees for them to
make those decisions.
The change in bylaws ami
new districts will go into
el feet January 1, 1994.
This change will separate
the state into smaller
districts for state represen
tation. The following will
outline the districts where
some meetings have been
held and some need to
establish a date and place.
The nominating committee
fnim each county will
need to contact the other
counties in their district.
These meetings need to
take place after Jan. 1, but
before the annual meeting
of Feb. 18,1994. They arc
as follows:
incaster Firming,
Let's take a closer look at the impact
somatic cell can have on the MCP.
The table enclosed shows the so
matic cell adjustment that would be
made for each pound of protein.
For example, if producer A is less
than 100,000 somatic cell count, than
for each pound of protein, a posmve
11 cent adjustment will be made.
However, in another situation where
producer B would have a somatic cell
of more than 900,000, that producer
would be deducted a total of 11 cents
per pound of protein.
Let's examine the somatic cell ad
justment on a per hundred weight
District 1 & 2 ,To be
decided.
District 3 & 6 Ramada
Inn, Somerset, Feb.
9.1994.
District 4, Oxyok Restau
rant, Galeton, Jan.
20,1994
District 5, To be decided.
District 7 & 8, To be
decided.
District 9 & 10, To be
decided, possibly Carlisle.
District 11 . Family House
Restaurant, Mifllintown.
Jan 25,1994.
District 13, 14, 16. Pink
Apple Tunkhannock, Jan.
20.1994.
DISTRICT MAP
1993 DIRECT MEMBER COUNTIES
During itie last yea) 1 wclve
Counties have voted to become
direct members of Pennsylvania
Dairy Herd Improvement Associa
tion in 1993.
Lucerne County merged Januaiy 93
with 22 herds, I,t 17 cows on test.
Perry County meiged January 93
with 76 herds, 4,967 cows on lest
Westmorland County meiged
March 93 with 61 holds, 3,(193 cows
on lest
Poller County merged as ol May 93
with 36 herds, 2.505 cows on lest.
Saturday, January 22, 1994-C9
buit. if producer A and Producers
have a 3.2 percent protein content
To determine the effect multiply the
appropriate somanc cell adjustment
by the protein content tocalculate the
somatic cell adjustment on a per hun
dredweight basis.
To illustrate. Producer A would re
ceive a posiuve 35.2 cents per hun
dred weight of milk (3.2 x 11 cents)
somatic cell adjustment. In another
situation Producer B would have a
negative of 35.2 cents per hundred
weight of milk (3.2 x 11. cents) so
mauc cell adjustment. This essen
tially means that 35.2 cents per hun
dred weight would be deducted from
Producer B's milk check.
Basically, a producer who maintains
a butterfat of 3.5% and a protein of
3.2%, and maintains an acceptable
somanc ceil count, will maintain the
same milk price as shown under the
traditional pricing. (See example be
low)
MCP EXAMPLE
Assumption;
Blend = $13.50 @ 3 5% BF
B.F. Differential = 70 cents
Butterfat = 3.5%
Protein = 3.2%
Traditional Pricing; {13.50 Blend
MCP Example:
Fat 3.5 pounds x $ .80 = $2.80
Protein 3.2 pounds xS3 00 =s9 60
Gass I & II Share of the Market =sl 10
Total $l3 50
Dislricls 15. 17, IS, Berks
Ag Center, Feb. 1,1994.
Those districts that will
need to hold election I'or
State Directors are
Districts IS. 17. 14, 12,
11, 5.5.4. Terms expiring
in District 5, Frank Orncr,
District S, Steve Mowcry,
District 11, Bmoks Smith,
District 14, Joe Lyons,
District 18, Norman
Hershey. District 4 and 12
currently have no director
and District 17 will need
to hold an election as they
presently have two, Don
Duncan and Dennis
Dauhcrt.
Bedford County merged as o( July 93
with 149 herds. 9,989 cows on test.
Fulton County merged as o( August
93 with 45 herds. 2,903 cows on lest
Blair County merged as ol August 93
with 115 herds. 8,829 cows on test.
Tioga County merged as of August
93 with 191 herds, 9,735 cows on test
Clinton County with 40 herds, 2,147
cows and Huntingdon County with
104 herds. 7,959 cows as ol Nov 93.
Effective January I. 1994 Eric County
with 120 herds. 5.997 cows and
Susquehanna County with 134 herds
7,485 cows.