Optimizing market weights means essentially maximize the profit in your production system. Pre-requisite for optimizing the market weight is the understanding of the production costs and parameters, knowing the target market weight of your pigs for your packer buying matrix. Also components as herd health, availability and cost of feed ingredients, barn space, time availability, market prices, packer buying programs and animal welfare are important. Having a complete plan includes solid production practices, a clear understanding of the economic factors in production and marketing, using those to determine the optimum market weight for your system, and delivering a pig in good condition to your abattoir will contribute to an overall profitability of the system. Knowing all your systems capabilities, strengths and weaknesses, and working together with experts from the industry can improve the profit of your production.
Source: Prairieswine