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Updated: Apr 27, 2026

Noninvasive, In-pen Approach Test for Laboratory-housed Pigs

Noninvasive, In-pen Approach Test for Laboratory-housed Pigs

Published on: June 5, 2019

Multiperiod planning tool for multisite pig production systems.

E Nadal-Roig¹, L M Plà²

¹Departament de Matemàtiques, Universitat de Lleida, Jaume II 73, E-25003 Lleida, Spain enr1@alumnes.udl.cat.

Journal of Animal Science

|July 10, 2014

Summary

This summary is machine-generated.

This study introduces a Linear Programming (LP) model to optimize multisite pig production. The tool aids managers in crucial decisions regarding pig transfers and farm management for enhanced profitability.

Keywords:

decision support system herd transport linear programming sow herd management

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Area of Science:

Agricultural Economics
Operations Research
Animal Science

Background:

Modern pig production involves complex multisite systems requiring efficient management.
Short-term (pig transfers, batch management) and long-term (expansion) decisions impact profitability.
Existing planning tools may not adequately address the intricacies of multisite operations.

Purpose of the Study:

To develop and present a multiperiod planning tool for multisite pig production systems.
To assist pig managers in optimizing pig transfers, batch management, and strategic planning.
To maximize the total gross margin within a defined time horizon.

Main Methods:

Linear Programming (LP) model formulation for multiperiod planning.
Incorporation of a three-site system adaptable to various multisite configurations.
Consideration of piglet production, rearing, and fattening phases, including inter-farm transportation.

Main Results:

The model maximizes total gross margin by optimizing income from abattoir sales against production costs.
It provides a detailed schedule for animal transfers between farms, including the number of trucks required.
The planning tool accounts for critical parameters such as farm capacity, management policies, and transportation costs.

Conclusions:

The developed LP model offers a robust solution for strategic and operational decision-making in multisite pig production.
It enables enhanced efficiency and profitability through optimized resource allocation and logistics.
The model's adaptability makes it a valuable asset for the modern pig industry, as demonstrated by a Spanish case study.