Increasing numbers of pork producers room considering owning your product more than the packers gate. Much of this impetus originates from increasing farm-cutout or farm-retail margins. However, many producers room not mindful of the potential variability in product, price, and also ultimately earnings that wake up in the packing and processing sector. Furthermore, as result of the variability the occurs in item weights and other specifications, there are minimum numbers of live animals that are crucial to keep framework operational. Thus, producer interested in further processing require some method to suspect the amount of product linked with a given number of hogs. The is why the whole Hog worth Calculator (WHVC) to be developed.

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Model Development

The Whole-Hog worth Calculator was developed to assist producers and also others when determining the whole hog value of a group of hogs. It supplies data listed by users to simulate the live weights and also resulting product weights for hams, loins, boston butts, picnics, bellies, jowls, and byproducts. Users enter the number of hogs, the portion of barrows, the mean live weight, the minimum weight, and also the maximum weight of the group of hogs. The user can then enter prices or use the default values for assorted wholesale cuts and byproducts.

The model was emerged using Microsoft Excel. Visual basic is used generally within the model to calculate and also store the numerous weights and values. Currently, the regime requires sizable memory capacity. Hopefully, the program can be refined to usage memory more efficiently. Till then, it is recommended the potential users have actually a minimum that 156K RAM and also 500 mhz processor speed. Although the regime will operate on computer systems with much less than this specifications, power in terms of handling speed is considerably reduced.

Once every the vital information is gotten in the user clicks ~ above the operation Simulation button to start the calculations. The weights are created using a arbitrarily number generator based upon a normal circulation centered about the mean. The maximum and minimum weights representing the upper and also lower bounds are provided to truncate the circulation at to add or minus two traditional deviations. Weights room then divided into the 4 deviations (plus two and also minus two) with 68 percent that the values separated evenly in between plus one and minus one, and 27 percent split evenly between the other two deviations. Due to the fact that it is unlikely customers will know the conventional deviation for the weights that hogs, a traditional deviation is assumed.

Once the weights room generated, prediction equations are offered to estimate pounds that pork product per carcass from various wholesale cuts. The wholesale cut used and also their associated IMPS designations are presented in Table 1: Ham 401, Picnic 405, Boston butt 406, belly 409, Loin 410, Spareribs 416, and also Jowl 419. The prediction equations were acquired from the nationwide Pork plank Database and are accessible upon request.

Table 1. Details Wholesale cuts ,their connected IMPS Designation, and the Values supplied from USDA-AMS Pork Report
Wholesale Cut/IMPS DesignationItem as Reported in USDA Pork Report
Ham 401Ham, Bone-in- Trim Spec 1
Picnic 405Picnic, Smoker Trim, consistent Shank
Boston butt 406Boston Butt, Bone-in, ¼” Trim
Belly 409Belly, Seedless, Skinless
Loin 410Loin, Bone-in, ¼” Trim
Spareribs 416Sparerib, Fresh
Jowl 419Pork Jowl

The weight of every wholesale reduced is estimated on a per carcass basis using the forecast equations. After ~ this, the weight is separated by 2 (number of sides in a carcass) providing the intended weight per item. When the separation, personal, instance item weight is calculated, the appropriate price is assigned and also a value is calculated. ~ the value for the items is calculated it is multiplied by 2, yielding the complete value because that that cut on a carcass basis.

For instance, the total pounds of Ham 401 because that a carcass might be calculated together 45 pounds; however, after dividing 45 by 2, the actual separation, personal, instance ham weight is 22.5 pounds. The price for 20-23 lb hams is $59/cwt. This offers a worth of $13.28 per ham or $26.55 per carcass.

Because prices for the wholesale cut are regularly not reported by IMPS number, that is crucial to use the descriptions from the USDA-Pork Report. The wholesale cuts and also their connected pork report interpretations are offered in Table 1.

In addition to predicting the weight and also value of specific wholesale cuts, byproduct weights and also values are likewise calculated. The equations for the all weights space from Gralapp-Gonzalez and also Goodwin (GGG). The prices because that the byproducts are also the same prices offered by GGG.

Once the separation, personal, instance weights and also values space calculated top top a per carcass basis the aggregate numbers room reported in the summary sheet. Values reported in the review sheet encompass the full live weight, complete wholesale weight and also value, and total byproduct weight and their equivalent dollar value. The wholesale reduced weights and also values space then damaged out by weight course if applicable. To offer producer one idea that the form of volume under consideration, every item’s weight is reported in regards to 40,000 truckloads. An instance printout is presented in number 1.


The design is applied to two various scenarios to demonstrate the distinctions that deserve to arise in values. Two different average weights are assumed, 250 and 260 pounds. The details weights and also parameters are given in Table 2.

Table 2. Assumptions Used in totality Hog value Analysis
Item250 Pounds260 Pounds
Number that hogs/Sex Split200 / 50% barrows/50% gilts
Average live weight250260
Minimum weight230230
Maximum weight270270
Average back Fat (BF).70 inches/17.78 mm.75 inches/19.05 mm
Average Loin Depth (LD)2.35 inches/59.69 mm

Both of these weights to be analyzed using the four combinations of yield and measurement method. For presentation purposes, only the outcomes for the Fat-O-Meater (FOM) room given. Results from the ruler are accessible on request.

Readers should be aware that since of the variation introduced by the arbitrarily number generator, the actual average weights might not necessarily be the exact average weight gone into by the user. Really averages should be within .7 pound of the average entered by the user.

Review that the results (Table 3) mirrors the affect of yield and weight on pounds of wholesale cuts and also the worth of this cuts. An increase of 10 pounds every hog in the productivity 1 group increases the pounds the wholesale cut by 1,192 pounds and also 1,144 pounds for Yield 2. The distinctions in values space $921 and also $848 respectively.

Figure 1a. Sample Printout from totality Hog value Calculator

The impact of returns is likewise apparent as the differences between Yield 1 and also Yield 2 hogs is 1,589 pounds and 1,541 for the 250 and 260 lb pigs, respectively. The mean value distinction is $1,198 or $6.15 every head.
" data-image-caption="Figure 1b. Sample Printout from whole Hog worth Calculator (continued)

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Figure 1b. Sample Printout from whole Hog value Calculator (continued)

Item250 Pounds260 PoundsYield 1aYield 2Yield 1Yield 2
Total Live Weight49,75949,80051,75951,800
Total Wholesale cut Weight30,27231,86131,46433,005
Total Wholesale cut Value$25,317$26,582$26,238$27,430
Wholesale value per Head$126.58$132.91$131.19$137.15
Total Byproduct Weight14,95014,95014,71514,715
Total Byproduct Value$2,362$2,362$2,312$2,312
Byproduct value per Head$11.8111.81$11.56$11.56

aYield 1 is 75% or less, productivity 2 is much more than 75%

Wholesale Cuts

In addition to offering information top top the complete weight and value of wholesale cuts for a group, the WHVC likewise details the pounds and also values for the various wholesale cuts (Table 4). For the 250 lb hogs yielding more than 75 percent the total wholesale weight is 31,861pounds and is valued in ~ $26,582 or $132.91 every head.

Table 4. Specific Wholesale Cuts and also Values because that 250 and also 260 lb Hogs
Item250 Pounds260 PoundsYield 1Yield 2Yield 1Yield 2
Boston butt 406 Weight3,5933,8313,7243,913
Boston target 406 Value$3,234$3,448$3,351$3,521
Loin 410 Weight8,4588,9438,7599,259
Loin 410 Value$9,812$10,374$10,161$10,740
Picnic 405 Weight3,8984,1074,0454,239
Picnic 405 Value$1,754$1,848$1,820$1,908
Spareribs 416 Weight1,3521,3791,3931,404
Spareribs 416 Value$1,974$2,014$2,034$2,049
Ham 401 Weight8,5978,9818,9209,308
Ham 401 Value$5,080$5,224$5,205$5,321
Seedless ship Weight3,7403,9783,9664,216
Seedless belly Value$3,291$3,501$3,490$3,710
Skinned Jowls Weight633641657667
Skinned Jowls Value$171$173$177$180

Analyzing the donation of the weights and also values of the miscellaneous cuts discover some exciting facts. The weight of the shoulder (Boston butt, picnic, and jowl) accounts for 26.93 percent the the load of the all product but only 20.57 percent the the full wholesale value. Whereas the loin contributes around 28.07 percent that the wholesale weight and also 39.03 percent of the worth for the group. Top top a poundage communication the most an important cut in this evaluation is the spareribs as they account for 4.33 percent of the weight and 7.58 percent that the value. The weight and value contributions are presented in figure 2.

Figure 2. Donation of Weights and also Value to the all Total

In addition to specifying the weight and also value of every wholesale product, part cuts are likewise broken under by weight. This is important because three wholesale cuts loin 410, ham 401, and seedless bellies; have actually prices that room dependent top top the size of the cut. The circulation of their weights and also values is shown in Table 5.

It is easy to see from this table that weight and yield can have significant effects on the circulation of weights and also values. To more illustrate this point, the circulation of ham weights and also values is plotted in number 3. An alert that together weight and also yield increases, the circulation shifts come the best including much more loins and also hams in the heavier classes. The result is an increase in revenues even though the heavier hams carry a reduced price.

Byproduct Information

The revenue native byproducts and selection meats is where many packing and processing firms frequently make their money. To help producers in planning because that this revenue source, weights and values because that byproducts are additionally reported top top the review page (Figure 1). Since the price for these commodities is usually not dependence on separation, personal, instance weights, just the totals because that each product space given.

Table 5. Distribution of Wholesale reduced weights and Values by Style
Item250 Pounds260 PoundsYield 1Yield 2Yield 1Yield 2
Loin 410
1/4” Trim Loin 21# DN-LGHT-weight3,4417041,814
1/4” Trim Loin 21# DN-LGHT-value$3,992$817$2,104
1/4” Trim Loin 21# UP-MED-weight50178,2396,9459,259
1/4” Trim Loin 21# UP-MED-value$5,820$9,557$8,057$10,740
Ham 401
BONE-IN 17-20# TRIM SPEC 1-weight
BONE-IN 17-20# TRIM SPEC 1-value
BONE-IN 20-23# TRIM SPEC 1-weight8,0286,1186,8543,489
BONE-IN 20-23# TRIM SPEC 1-value$4,736$3,610$4,044$2,059
BONE-IN 23-27# TRIM SPEC 1-weight3722,8622,0655,818
BONE-IN 23-27# TRIM SPEC 1-value$208$1,603$1,157$3,258
Belly, Seedless
SKINLESS, SQRD 9-11# weight3,7403,9783,9664,216
SKINLESS, SQRD 9-11# value$3,291$3,501$3,490$3,710
SKINLESS, SQRD 11-13# weight
SKINLESS, SQRD 11-13# value
SKINLESS, SQRD 13-15# weight
SKINLESS, SQRD 13-15# value
SKINLESS, SQRD 15-17# weight
SKINLESS, SQRD 15-17# value

Implications for Producers

The reported distinctions of these various scenarios might seem small, yet the cumulative impact is considerable. The average distinction value every head for the 2 weights is about $4.43. Thus, an operation with throughput the 25,000 head every week that miscalculated the median weight through 10 pounds could see a difference in revenue the $110,625 every week or an ext than $5.75 million. Furthermore, differences in the portion of barrows purchased and also weight distribution can have considerable impacts. Although the kind of pigs being processed space really a provided in any type of situation, it is imperative the producers have actually a an excellent idea that the variation that exists in the processing sector before entering in a brand-new business venture.


Producers considering owning their product previous the packer’s gate have numerous factors to consider. The weight range of live hogs as well as the circulation of weights in ~ that variety can have actually a tremendous influence on the quantity of product that can be marketed. In enhancement to weights, productivity grade have the right to have a far-ranging effect top top revenues.

Figure 3. Circulation of Ham values by Weight and also Yield

By combine prediction equations and user input, the WHVC approximates numbers, weights, and also values for certain wholesale cuts and byproducts. By correctly using this tool, producers must now have the ability to make an ext informed decisions concerning owning their product additional down the value chain.

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