Maddox, L. A.

Prater, Tom E.

Texas A&amp;M Repository

I ~ I I //L-681PAYMORE FORA GOODBEEF HERDBULLTEXAS A&M UNIVERSITYTEXAS AGRICULTURAL EXTENSION SERVICEJ. E. Hutchison, Director, College Station, Texasfor a Good Beef Herd BullTom E. Prater and L. A. Maddox*The following formula was used in computingthe preceding values:TABLE IIIncrease in Live Weight Value from Offspring of ReplacementDaughters. (Assume five daughters per year for 3 years until15 daughters in herd. Daughters produce for 5 years. Theystart producing at 3 years of age)Production Management. FactorsFrom the selected sire, 25 calves are producedeach year. Twenty calves are sold directly to thelive-weight market. Five heifers are kept for re-placement. The selected sire is kept for 3 years.First year. 5 daughters x 12.7 lb. 63.5 lb. 63.5 lb.21¢ 24¢$13.34 $15.24Second year. 10 daughters x 12.7 lb. 127 lb. 127 lb.21¢ 24¢$26.67 $30.48Third year. 15 daughters x 12.7 lb. 190.5 lb. 190.5 lb.21¢ 24¢$40.00 $45.72Fourth year. 15 daughters x 12.7 lb. 190.5 lb. 190.5 lb.21¢ 24¢$40.00 $45.72Fifth year. 15 daughters x 12.7 lb. 190.5 lb. 190.5 lb.21¢ 24¢$40.00 $45.72Sixth year. 10 daughters x 12.7 lb. 127 lb. 127 lb.21¢ 24¢$26.67 $30.48Seventh year. 5 daughters x 12.7 lb. 63.5 lb. 63.5 lb.21¢ 24¢$13.34 $15.24Total $200.02 $228.6030% of the increase == Average gen-2 etic increasein nextgenerationAverage gen-etic increasein the lastgeneration$63 $72Second Year300 lb. 300 lb.21¢ 24¢$63 $72Third Year300 lb. 300 lb.21¢ 24¢$63 $72Increase in $189 $216live weightsale valuefrom originalherd.First Year 15 pounds increase in weaning weight per calf300 lb. 300 lb.21¢ 24¢TABLEIncrease in live weight. Sale value from original herd.25 calves from new selected sire. 20 sold. 5 heifers kept forreplacement.determine the increased weight. Multiply this 50pounds by a 30 percent heritability factor. Thisequals 15 pounds which is to be considered as theaverage increase in weaning weight for the selectedsire's offspring.The original base of 380 pounds, plus the 15pounds expected increase, gives an average 395pounds average weaning weight for the selectedsire's offspring.The selected sire's daughters have a 12% poundplus advantage over the original herd, if bred to asire of the same productivity. The average in-creases in weaning weights of all of the calvesresulting from the use of one superior sire (plus100 pounds at weaning time) are as follows:1st Generation 15.0 lb.2nd Generation 12.7 lb.3rd Generation 10.8 lb.4th Generation 9.2 lb.5th Generation 7.8 lb.*Respectively, Extension farm management specialist, Departmentof Agricultural Economics and Sociology, and animal husband-man, Department of Animal Science, Texas A&M University.Consider WeightThe average weaning weight of calves sold fromthe original herd is 380 pounds.The average weaning weight can be increasedby selecting a sire which has a· heavier weaningweight base at the same age of the original sire'soffspring. The selected sire is assumed to be 100pounds above the sire now in use.Added Weight to OffspringTo get the increased weight of offspring of theselected sire, subtract 380 pounds from 480 pounds.This gives a IOO-pound increased base for theselected sire. Add this 100 pounds to the presentcow herd's index for increasing offspring weight(which is assumed to be zero) and divide by two.This gives 50 pounds as a base from which toAGOOD BEEF HERD BULL means money to you.Perhaps, more than you realize.A beef herd bull that increases the weaningweight of your calves 15 pounds is worth 445 moreto you over a 7-year period, assuming 24 cents perpound calf prices. 'Vith 21 cents per pound calfprices, the bull is worth an additional 389.Assume that 20 offspring of the selected sire aresold each year, and five daughters are retained asreplacements each year for 3 years. Each of these] 5 daughters produce five offspring before beingreplaced.The average weaning weight of the daughter'soffspring increases 12% pounds. The selected herdsire is kept in production 3 years. His daughtersare assumed to go in production at age 3 and toremain in production 5 years. Both of these con-ditions will vary, but maximum production canbe expected under this type replacement program.TABLE IIIValue of selected sire when added value from original herd,daughters and base price for a bull is considered.Live weight priceAdditional value ofdaughters to herdAdditional value of selectedsire on original herd$.21 per lb. $.24 per lb.$200.00 $229.00$189.00 $216.00Total added value $389.00(All money values are held constant.)$445.00His daughters are in production 5 years and arethen sold.The 15-pound increase in weaning weight percalf multiplied by 20 calves marketed equals 300pounds per year or 900 pounds for 3 years.Added Income Original HerdAt a live-weight price of 21 cents per pound, anincrease in income of $189 is attributed to theselected sire over a 3-year period for the calvesthat are sold directly from the original herd. If 24cents per pound is used, the increase in income is$2]6.Added Income from Daughter's OffspringUsing 12% pounds as the average increase inweaning weight of offspring of the daughters, therewould be $200 additional income at 21 cents perpound; at 24 cents per pound there would be $229added income.The first year there will be 63.5 pounds of calfweight to be sold, as a result of the selected sire;the second year 127 pounds; the third year 190.5pounds; the fourth year 190.5 pounds; the fifthyear 190.5 pounds; the sixth year 127 pounds; andthe seventh year 63.5 pounds."Vhen the value of the original herd and off-spring is considered, the added value of a selectedsire is of great economic significance. In thetables you will find the value of an improved sireto a breeding herd, combining the value receivedfrom the original herd and daughter replacementsfrom 3-year production. The income for genera-tions beyond this are not included in this calcula-tion, although under proper management, thetotal production would be increased.Ready to serve YOu. ..are your COU TY EXTENSION AGENTS.They represent both the U. S. Department ofAgriculture and Texas A&M University inyour county. These agents have ideas andmaterials that are helpful to everyone, re-gardless of whether you live on the farm orranch or in a town or city.Extension agents have information on a widevariety of subjects. For example, you canlearn from them how to farm and ranch effi-ciently achieve more satisfying familyliving discover how much we all dependon agriculture.This publication is one of many prepared bythe Texas Agricultural Extension Service ofTexas A&M University to present up-to-date,authoritative information, based on the resultsof research. Such publications are availablefrom your local agents whose offices usuallyare in the county courthouse or agriculturalbuilding.Give your agents a try. They welcome yourvisits, calls or letters.Cooperative Extension Work in Agriculture and Home Economics,Texas A&M University and the United States Department of Agri-culture cooperating. Distributed in futherance of the Acts of Con-gr~ of May 8, 1914, as amended, and June 30, 1914.10M-1-66

Pay More for a Good Beef Herd Bull.

Texas A&M University

I ~ I I /
/
L-681
PAY
MORE FOR
A GOOD
BEEF HERD
BULL
TEXAS A&M UNIVERSITY
TEXAS AGRICULTURAL EXTENSION SERVICE
J. E. Hutchison, Director, College Station, Texas
for a Good Beef Herd Bull
Tom E. Prater and L. A. Maddox*
The following formula was used in computing
the preceding values:
TABLE II
Increase in Live Weight Value from Offspring of Replacement
Daughters. (Assume five daughters per year for 3 years until
15 daughters in herd. Daughters produce for 5 years. They
start producing at 3 years of age)
Production Management. Factors
From the selected sire, 25 calves are produced
each year. Twenty calves are sold directly to the
live-weight market. Five heifers are kept for re-
placement. The selected sire is kept for 3 years.
First year. 5 daughters x 12.7 lb. 63.5 lb. 63.5 lb.
21¢ 24¢
$13.34 $15.24
Second year. 10 daughters x 12.7 lb. 127 lb. 127 lb.
21¢ 24¢
$26.67 $30.48
Third year. 15 daughters x 12.7 lb. 190.5 lb. 190.5 lb.
21¢ 24¢
$40.00 $45.72
Fourth year. 15 daughters x 12.7 lb. 190.5 lb. 190.5 lb.
21¢ 24¢
$40.00 $45.72
Fifth year. 15 daughters x 12.7 lb. 190.5 lb. 190.5 lb.
21¢ 24¢
$40.00 $45.72
Sixth year. 10 daughters x 12.7 lb. 127 lb. 127 lb.
21¢ 24¢
$26.67 $30.48
Seventh year. 5 daughters x 12.7 lb. 63.5 lb. 63.5 lb.
21¢ 24¢
$13.34 $15.24
Total $200.02 $228.60
30% of the increase == Average gen-
2 etic increase
in next
generation
Average gen-
etic increase
in the last
generation
$63 $72
Second Year
300 lb. 300 lb.
21¢ 24¢
$63 $72
Third Year
300 lb. 300 lb.
21¢ 24¢
$63 $72
Increase in $189 $216
live weight
sale value
from original
herd.
First Year 15 pounds increase in weaning weight per calf
300 lb. 300 lb.
21¢ 24¢
TABLE
Increase in live weight. Sale value from original herd.
25 calves from new selected sire. 20 sold. 5 heifers kept for
replacement.
determine the increased weight. Multiply this 50
pounds by a 30 percent heritability factor. This
equals 15 pounds which is to be considered as the
average increase in weaning weight for the selected
sire's offspring.
The original base of 380 pounds, plus the 15
pounds expected increase, gives an average 395
pounds average weaning weight for the selected
sire's offspring.
The selected sire's daughters have a 12% pound
plus advantage over the original herd, if bred to a
sire of the same productivity. The average in-
creases in weaning weights of all of the calves
resulting from the use of one superior sire (plus
100 pounds at weaning time) are as follows:
1st Generation 15.0 lb.
2nd Generation 12.7 lb.
3rd Generation 10.8 lb.
4th Generation 9.2 lb.
5th Generation 7.8 lb.
*Respectively, Extension farm management specialist, Department
of Agricultural Economics and Sociology, and animal husband-
man, Department of Animal Science, Texas A&M University.
Consider Weight
The average weaning weight of calves sold from
the original herd is 380 pounds.
The average weaning weight can be increased
by selecting a sire which has a· heavier weaning
weight base at the same age of the original sire's
offspring. The selected sire is assumed to be 100
pounds above the sire now in use.
Added Weight to Offspring
To get the increased weight of offspring of the
selected sire, subtract 380 pounds from 480 pounds.
This gives a IOO-pound increased base for the
selected sire. Add this 100 pounds to the present
cow herd's index for increasing offspring weight
(which is assumed to be zero) and divide by two.
This gives 50 pounds as a base from which to
AGOOD BEEF HERD BULL means money to you.Perhaps, more than you realize.
A beef herd bull that increases the weaning
weight of your calves 15 pounds is worth 445 more
to you over a 7-year period, assuming 24 cents per
pound calf prices. 'Vith 21 cents per pound calf
prices, the bull is worth an additional 389.
Assume that 20 offspring of the selected sire are
sold each year, and five daughters are retained as
replacements each year for 3 years. Each of these
] 5 daughters produce five offspring before being
replaced.
The average weaning weight of the daughter's
offspring increases 12% pounds. The selected herd
sire is kept in production 3 years. His daughters
are assumed to go in production at age 3 and to
remain in production 5 years. Both of these con-
ditions will vary, but maximum production can
be expected under this type replacement program.
TABLE III
Value of selected sire when added value from original herd,
daughters and base price for a bull is considered.
Live weight price
Additional value of
daughters to herd
Additional value of selected
sire on original herd
$.21 per lb. $.24 per lb.
$200.00 $229.00
$189.00 $216.00
Total added value $389.00
(All money values are held constant.)
$445.00
His daughters are in production 5 years and are
then sold.
The 15-pound increase in weaning weight per
calf multiplied by 20 calves marketed equals 300
pounds per year or 900 pounds for 3 years.
Added Income Original Herd
At a live-weight price of 21 cents per pound, an
increase in income of $189 is attributed to the
selected sire over a 3-year period for the calves
that are sold directly from the original herd. If 24
cents per pound is used, the increase in income is
$2]6.
Added Income from Daughter's Offspring
Using 12% pounds as the average increase in
weaning weight of offspring of the daughters, there
would be $200 additional income at 21 cents per
pound; at 24 cents per pound there would be $229
added income.
The first year there will be 63.5 pounds of calf
weight to be sold, as a result of the selected sire;
the second year 127 pounds; the third year 190.5
pounds; the fourth year 190.5 pounds; the fifth
year 190.5 pounds; the sixth year 127 pounds; and
the seventh year 63.5 pounds.
"Vhen the value of the original herd and off-
spring is considered, the added value of a selected
sire is of great economic significance. In the
tables you will find the value of an improved sire
to a breeding herd, combining the value received
from the original herd and daughter replacements
from 3-year production. The income for genera-
tions beyond this are not included in this calcula-
tion, although under proper management, the
total production would be increased.
Ready to serve YOu. ..
are your COU TY EXTENSION AGENTS.
They represent both the U. S. Department of
Agriculture and Texas A&M University in
your county. These agents have ideas and
materials that are helpful to everyone, re-
gardless of whether you live on the farm or
ranch or in a town or city.
Extension agents have information on a wide
variety of subjects. For example, you can
learn from them how to farm and ranch effi-
ciently achieve more satisfying family
living discover how much we all depend
on agriculture.
This publication is one of many prepared by
the Texas Agricultural Extension Service of
Texas A&M University to present up-to-date,
authoritative information, based on the results
of research. Such publications are available
from your local agents whose offices usually
are in the county courthouse or agricultural
building.
Give your agents a try. They welcome your
visits, calls or letters.
Cooperative Extension Work in Agriculture and Home Economics,
Texas A&M University and the United States Department of Agri-
culture cooperating. Distributed in futherance of the Acts of Con-
gr~ of May 8, 1914, as amended, and June 30, 1914.
10M-1-66


English

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Pay More for a Good Beef Herd Bull.

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Pay More for a Good Beef Herd Bull.

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Texas A&amp;M Repository

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