—Lancaster Farming, Saturday, March 13,1971
6
Big Potential Found for Pollution Control and Quali'y Beef
Penn State Study Recycles Poultry Waste Through Steers
Animal nutritionists at Penn
sylvania State University are
using a method of pollution
control to convert law materials
from poultry waste into a useful
product—beef
The pioeess converts nitrogen
in poultry waste into meat pro
tem nitrogen, according to Dr
T. A Long and R C Cioyle, as
sociate piofessor and giaduate
assistant, respectively, in the
department of animal science at
Penn State.
All protein contains nitrogen,
these scientists point out Suc
cessfully feeding poultiy waste
to cattle could mean that the
million tons of poultry waste
produced annually in Pennsyl
vania would have its pollution
potential sharply reduced
When prepaied for use in a
cattle ration, poultry waste ap
peals veiy similar to common
ly used protein supplements,
for example soybean meal
The raw waste is given a
thorough heat Treatment with
steam or dry heat.
Finally, the waste is giomu
BELT
Available at
Smoketown
Ph. 397-3539
to a small paiticle size
mg into the lation as a
souice
• Farm Calendar
(Continued from Page 1)
Thursday, March 18
930 am -4 pm Fianklin
County cattle feedeis to toui
Lancaster County
7 15 p.m Elizabethtown 4-H
Pig and Rabbit Club reor
ganization meeting, Eliza
bethtown Tiust Company
Building
7 30 p m —Tevoca FFA Chaptei
(Biownstown Vo-Tech) fust
annual banquet, Brownstown
Vo-Tech school
7 CO p in. Manneim Young
Farmeis Faim Records and
Budgeting Course, Manhcim
Senior High School
730 pm—Faim Management
meeting on Wills, Estates
and Faim Transfer Auange
ments, Farm and Home Cen
ter
Bpm —4-H Guernsey Club or
gamzational meeting, Raj
mond F Witmer home, Wil
low Stieet RDI
Friday, March 19
630 p m Lancaster Countv
Swine Pioduceis annual
banquet. Blue Ball Fne Hall
Saturday, March 20
Ipm —Trail ride. Broken Bit
4 H Horse and Pony Club,
home of Mr and Mrs
Chailes Risser
State Grange Regional Institute.
Topton. Berks County.
As a cattle feed, processed A taste panel found that when eaten, will not cause an
nmrltrv wiste has been found to steaks fed poultry waste were accumulation of drugs in the
poulUy waste has been found to acceptable as compared animal’s tissues,
equal conventional sources o J steats steers fed ure .
eSn".es a “S, fed pS soybea ” meal preliminary experiment.!, re.
tiy waste are sra.lar to these Specifically, steer carcasses salt!.indicatethat.
produced by feeding soybean were similar in conformation, try waste does not add signify
meal or urea ° y marbling, backfat, color of fat, cant amounts of residual cherm
and USDA grade, lom-eye area, cals to the carcass.
At Penn State, carcasses of p er cent cutability, and tender- They further point out, that
similar quality, were produced ness studies of the recycling of agri
from diets containing poultry The next step Wlll be to (j e . cultural wastes. are being ex
waste, uiea, or soybean meal, termine conc i uslV ely that the panded by the Agricultural Ex
ui Liong said poultry waste is sterile and, periment Station at Penn State.
for mix
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