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EXPERIMENT STATION LIBRARY
Bulletin 292 July, 1936
THE UNIVERSITY OF NEW HAMPSHIRE
AGRICULTURAL EXPERIMENT STATION
Department of Agricultural Chemistry
Inspection of Commercial
Feeding Stuffs
1936
Mode for the
State Department of Agriculture
U««^*^
By T. O. Smith and H. A. Davis
The University of New Hampshire
Durham, N. H.
INSPECTION OF COMMERCIAL FEEDING STUFFS
Made for the
STATE DEPARTMENT OF AGRICULTURE
The inspec-tion of commercial feeding stuffs re-
ported in this bulletin was made under the direction
of Honorable Andrew L. Felker, Commissioner of Agri-
culture. Mr. E. D. Sanborn, State Inspector, col-
lected samples of 384 brands of feeding stuffs which
were offered for sale in the State during the year
ending June, 1936. The 384 samples represent brands
of 108 manufacturers.
THE LAW
The New Hampshire law, entitled an Act to Regu-
late the Sale of Concentrated Commercial Feeding
Stuffs, requires every manufacturer or dealer who
shall sell or offer for sale any concentrated com-
mercial feeding stuff to furnish with each package a
clearly printed statement certifying the net weight
of the feed contained in the package, the brand name
or trademark under which the feed is sold, the
name and address of the manufacturer, the ingred-
ients of which the feed is composed, and a chemi-
cal analysis stating the minimum percentage only
of protein, fat and carbohydrates, and the maxi-
mum percentage only of crude fiber.
Manufacturers and jobbers who ship concentrated
commercial feeding stuffs into the State are re-
quired to register each brand and to pay a license
fee. Under the provisions of the law if the shipper
fails to register, the dealer is responsible. Feeds
manufactured in other states frequently pass through
several middlemen before they reach the locaJ. dis-
tributor. Dealers who purchase feed for resale must
assure themselves the brands they purchase are prop-
erly registered or assume that responsibility.
N. H. EXPERIMENT STATION [ Bulletin 292
In order to secure greater uniformi-ty in the
labelling of feeds and in the statement of in-
gredients, the Association of American Feed Control
Officials has adopted definitions and standards.
The Association has also approved twenty-one Gen-
eral Regulations which "should be adopted by state
officials as far as the statutes will permit."
There are no conflicts in these regulations with the
New Hampshire Feeding Stuffs Law. All manufacturers
and dealers are therefore expected to conform to the
regulations of the Association in all matters not
specifically mentioned in the law. Copies of these
regulations and also the definitions and standards
may be obtained from the Secretary, Association of
American Feed Control Officials, College Park,
Maryland.
A study of the following resolutions of the As-
sociation of American Feed Control Officials will
make clear to purchasers of feeding stuffs the
reasons for a change in the Uniform Label adopted
by the Association, omitting the word Carbohydrates.
Resolved that it is the sense of this Associa-
tion that we understand the term "Nitrogen-Free
Extract" to cover the product indicated by the per-
centage obtained by subtracting from 100 per cent
the sum of the percentages of Ash, Moisture, Protein,
Fat and Fiber (adopted prior to 1923).
Resolved that the term "carbohydrates" be in-
terpreted to cover the product indicated by the
percentages obtained by the addition of the per-
centages of crude fiber and nitrogen free' extract
(adopted prior to 1923).
Since the term "carbohydrates" is misleading
and combines a maximum guarantee of crude fiber with
a minimum guarantee of nitrogen free extract, Be it
Resolved, that the use of the term "carbohydrates"
on the uniform registration blank and uniform tags
be discontinued (adopted 1935).
July, 1936 ] INSPECTION of feeding stuffs
The New Hampshire Feeding Stuffs Law requires
the manufacturer to state the percentage of carbo-
hydrates. However, a statement of the percentage
of nitrogen free extract indirectly gives this in-
formation, since the sum of the nitrogen free ex-
tract and the crude fiber equals the carbohydrates.
The chief purpose of the Feeding Stuffs Law is
to protect the consumer against the inferior products
which would doubtless soon appear on the market if
the trade were not under state control. The law is
primarily a correct-labelling act. It must not be
assumed by the purchaser of feeding stuffs that
every brand which meets the manufacturer's guarantee
is a high-grade feed. The Feeding Stuffs Law does
not prevent the sale of a low-grade feed if it is
properly licensed and tagged and is offered for sale
in compliance with the law. It would not be in the
public interest to legislate against the sale of the
lower-grade by-products. They can be fed profitably
if bought at a price adjusted to their feeding value.
The law does prevent an inferior feed being offered
for sale as a high-grade product.
In purchasing feeds both the dealer and the
consumer should specify: The feed delivered on this
order must comply with the New Hampshire Feeding
Stuffs Law. Do not accept delivery in untagged or
unlabelled bags. The dealer who offers for sale a
feeding stuff which has not been registered or which
is not guaranteed in compliance with the law is
probably indifferent to his customer's interests in
other respects. He does not merit either the con-
fidence or patronage of the consumer.
The purchaser' s co-operation in refusing to buy
a feed which does not conform to the law in every
respect will not only help in the enforcement of the
law but will at the same time afford himself its
protection. If the buyer fails to assure himself
, the legal requirements have been met, he accepts the
feeding stuff at his own risk. The State official
N. H. EXPERIMENT STATION [ Bulletin 292
charged with the enforcement of the feeding stuffs
law is the Commissioner of Agriculture. All in-
quiries concerning the law and all matters relative
to the registration of brands should be addressed
to his office in Concord.
4)
i
July, 1936 ] INSPECTION of feeding stuffs
CLASSIFICATION
In classifying the feeding stuffs here reported,
the class name under which they were offered to the
consumer has been used. The classes are arranged
alphabetically. Table I shows the number of brands
in each class, the page on which the analysis may
be found, the average price per 100 pounds, the av-
erage per cent of protein, the number of pounds of
protein per $1.00, the number deficient by one-half
per cent or more of protein, the average per cent
fat, the number of pounds of fat per |1.00, and the
number deficient by one-fourth per cent or more of
fat.
The columns pounds of protein per |1.00 and
pounds of fat per |1.00 are included for the con-
venience of consumers interested in the comparative
cost of protein and fat in the different concen-
trates. They are not corrected for the varying
amounts of the other constituents.
N. H. EXPERIMENT STATION
[ Bulletin 292
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July, 1936] INSPECTION OF FEEDING STtJFFS '
NUMBER OF SAMPLES FAILING TO COMPLY
WriH THE LAW
One hundred fifty nine of the 384 brands analyzed
failed to comply with the law in every respect, vio-
lating it on 202 counts. Nearly all of these viola-
tions, however, are negligible if measured in terms
of the cost to the purchaser.
Eleven brands were found deficient more than one
per cent in the most valuable constituent, protein.
These deficiencies were 3.12, 2.94, 2.82, 2.22, 2.15,
1.87, 1.69, 1.38, 1.14, 1.10 and 1.08 per cent. Nine
brands were deficient more than one-half per cent but
less than one per cent. Eleven brands were deficient
less .than one-half per cent. The 31 brands found de-
ficient in protein is equivalent to 8.1 per cent of
the brands analyzed.
Fifty-three brands or 13.8 per cent were deficient
in fat; 21 of these were deficient less than one-
fourth per cent. The greatest deficiency in fat was
1.34 per cent .
Forty-seven brands contained an excessive amount
of crude fibre. Sixty-nine brands were deficient in
carbohydrates. In the analysis of a feeding stuff,
the percentage of carbohydrates is usually determined
indirectly. It is found by subtracting the sum of
the percentages of protein, fat, moisture and ash
from 100. It is obvious that an excess of protein
and fat over the manufacturer' s guarantee decreases
the percentage of carbohydrates found. Many of this
year's carbohydrates deficiencies are due to the
protein or fat or both exceeding the guarantee. Two
brands were offered for sale without a carbohydrates
guarantee .
In the tabulation of the analytical data, de-
ficiencies of one-half per cent or more of protein
and of one-fourth per cent or more of fat are
underlined.
In Table II is sho'ATi a summary of deficiency
figures over an eleven year period.
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N. H. EXPERIMENT STATION
[ Bulletin 292
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July, 1936 ] INSPECTION of feeding stuffs 9
REQUESTS FOR THE ANALYSIS OF FEEDING
STUFFS BY INDIVIDUALS
Under the Feeding Stuffs Law the Agricultural
Experiment Station is charged only with the analysis
of samples of feeding stuffs collected by the State
Inspector under the direction of the Commissioner
of Agriculture. It does, however, each year analyze
a considerable number of samples drawn by individuals
representing stock purchased by them for their own
use. The object of the purchaser who asks to have
the sample analyzed is usually to satisfy himself
whether the feed meets its guarantee and if it does
not , to obtain evidence upon which to base a claim
for shortage.
The Station can assume no responsibility for the
sampling of these unofficial samples but can only
attest the accuracy of the analysis of the sample as
submitted. It is practically impossible to secure
a representative sample of a feeding stuff composed
of several ingredients varying widely in composition
without the aid of a sampling tube for drawing the
sample and proper equipment for mixing it. A feed
may contain as one of its ingredients gluten meal
averaging 40 per cent protein, and as another in--
gredient oat feed averaging five per cent protein.
These materials are so different in physical con-
dition that the shaking in transit tends to separate
them even though they may have been perfectly mixed*
by the manufacturer before bagging. It is apparent
that an accurate sample of a ton of this feed can
only be had by drawing a core from several bags.
The official method requires ten. Since a repre-
sentative sample is as essential as an accurate
analysis in judging the value of a shipment of feed,
it is evident that a satisfactory adjustment can
seldom be effected on the basis of an u^. official
sample.
10 N. H. EXPERIMENT STATION [ Bulletin 292
Notwithstanding the objections which may be
raised to the analysis of samples taken without
proper sampling equipment, the Station is disposed
to continue this work as long as ther-s is evidence
that it constitutes a useful service. The samples
so submitted should be drawn from at least ten bags
in a manner which will insure that the small lot sent
for analysis is as accurately representative as pos-
sible of the larger lot from which it is taken. Be-
cause of the cost of labor and materials, an analysis
is not usually warranted on a sample drawn from less
than a one ton lot of feed.
A one pound sample is sufficient for the analysis.
It should be sent in a glass jar or tin box to pre-
vent the loss of fine particles and a change in the
moisture content. In order that the Department may
have a satisfactory record of the sample analyzed
and may know whether or not the manufacturer and
the dealer are complying with the requirements of
the law, the following information should be sub-
mitted concerning each sample.
Bra.nd
Manufacturer
Address
Guarantee :
Protein
Fat
Carbohydrates
Moisture
Ash
Crude Fiber
Ingredients
Dealer
Address
Number of bags in lot
Number of bags sampled
Price per 100 pounds
Your name
Your address
Your reason for requesting analysis
1936]
INSPECTION OF FEEDING STUFFS
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