This first part deals with backward and impossible data, i.e. the sows that are no longer in the farm but still appear both in the management softwatre and the 100% delivery rates in gilts.
Production of a minimum number of doses to maintain profitability and the increase in post-cervical insemination leads to an increase of the doses produced per boar and, therefore, their share of responsibility in the production process.
The shorter and lower dose regime saves money but there is an increased risk of follicular cyst development, which may occur at doses below 13mg/day.
Introduction of post-cervical insemination has a very significant economic impact on the whole of the pork industry, and is a challenge of parallel magnitude to that raised by the transition from natural service to artificial insemination.
Meeting batch breeding targets requires availability of enough service-ready weaned sows and gilts.
This article lists the critical points that must be considered for a successful post-cervical insemination in sows.
Neonatal mortality does not only depend on the design of the farrowing crate, but also on genetic and management factors, as well as litter size, especially with the increased use of hyper-prolific dam lines.
The month of the sow's birth affects the number of piglets born alive in the first farrowing.