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EFG Software

Broiler hens eating from feed trough

BROILER GROWTH MODEL

With the EFG Broiler Growth simulation model poultry nutritionists, geneticists and managers can predict the biological and economic consequences of using formulated feeds in commercial broiler operations.

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Pig in an enclosure

PIG GROWTH
MODEL

By integrating WinFeed and the Pig Growth Model, nutritionists and producers wishing to design optimal feeding programmes for a specific genotype can improve the basis of their decision-making with this simulator.

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Computer with Winfeed software title on screen

WINFEED
4.0

WinFeed, an integral part of our Growth Models and Optimisation Routines, is a Windows-based feed formulation program that passes the required information regarding dietary nutrient contents to these models.

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ABOUT OUR PROGRAMS


EFG Software has developed a number of programs that incorporate scientific principles in poultry and pig nutrition into a form useable in the workplace. These programs have been developed to assist nutritionists in the feed industry to make decisions based on the effects of genotypes, feeds, feeding schedules and the environment on the simulated performance of growing broilers and pigs.

The software that we have developed includes a feed formulation program, simulation models that predict the food intake, growth, and carcass composition of broilers, turkeys, and pigs, and optimisation routines that, by integrating these programs, provide users with a facility to develop feeding programs that will, for example, maximise margin over feed cost for different strains of broilers or pigs. There is also some software that we make available free of charge.

Because these programs are best seen as scientific tools, the policy of EFG Software is to share with the users, mostly professional scientists, the theory and ideas on which the programs are based, and to discuss openly the basis and importance of the numbers used for many parameters. We see no value in a model that is simply a ‘black box’. Such is not a scientific tool. This policy of openness also facilitates modification and development of the model to suit the specific needs of our customers. As our programs are based on an open theory, users of our software will gain not only useful information about nutrition but also many valuable insights into pig and poultry science and experimentation.

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  • Broiler Growth Model
  • Broiler Nutrition Optimiser
  • WinFeed
  • About EFG Software

References

Review a complete list of references upon which our models are based.

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PURCHASE LICENCE
COPYRIGHT © 2025 EFG SOFTWARE. ALL RIGHTS RESERVED.

Help Section

  • Introduction
  • WinFeed
    • Features
      • Feed Templates
      • Compositions
      • Ingredient Manager
      • Client Manager
      • Animal Manager
      • Digestibility Groups
      • Reporting System
    • Basic Screen and Editing Concepts
      • Saving Screen Space
      • Sorting
      • Tables
      • Editing using the Tree Structure
      • The WinFeed User Interface
    • Data Handling using WinFeed Data Manager
      • Making Backups of your Data
      • Using WinFeed Data Manager to maintain your data
      • General data storage information
    • Formulation
      • Brief background to feed formulating
      • Client feeds
      • Formulating a feed with WinFeed
      • Sensitivity values, marginal costs and included prices
      • Parametrics
      • Formulating with weight constraint <> 1
      • Formulating using dry matter
      • Rounding and Animal Feed Calculations
    • General
      • Units
      • Setting the dry matter nutrient
      • Abbreviations used for amino acid names
      • Security key
  • EFG Broiler model
    • Theory
      • Introduction to the EFG Broiler model
      • Theory of growth
      • Determining the genetic growth parameters
      • Features to be aware of when using the model
      • References
    • Model Inputs
      • EFG Broiler Model basic screen layout
      • Defining a breed
      • Management
      • Economics
      • Environment
      • Restricted Feeding
      • Revenue
      • Cropping schedule
      • Feeding schedule
      • Stocking schedule
      • Daily Blend %
    • Experiments
      • Flocks section
      • Solving an experiment
      • Flocks
      • Setting multiple values for a variable in a flock
      • How to design a flock
    • Results
      • Results Tables
      • Report basics
      • Economics summary report
      • Potential growth data
      • Summary reports by time, weight or feed
      • Component graphs
      • Viewing a graph
      • Amino acid requirements
      • Actual growth data
    • General
      • BM Feeds
      • Growth constraint
      • Editing a histogram
      • Troubleshooting the broiler model
      • Units – broiler model
  • EFG Broiler Optimiser
    • Optimisations available
      • Optimising amino acid contents in each feed
      • Optimising nutrient density
      • Optimising the feeding schedule
    • Performing an Optimisation
      • Inputs
      • Flocks (optimiser)
      • Comparison of the numerical and grid methods
      • Response modifiers
    • Interpreting the Results
      • Reports (optimiser)
      • Results (tables)
      • Optimum feeds
      • Broiler optimiser results
    • Troubleshooting the broiler optimiser
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