The impact of the season on the farm's performance
The heat of the summer has a predictable impact on the performance of a pig farm.
Summer infertility and abortion syndrome has been under constant investigation for years, with little real understanding of the whole causal mechanisms. However, treatment is fairly simple - breed more animals.
However, many farms use the size of the sow herd as a fundamental performance monitoring parameter. The effect of seasons are dramatic on these farms.
The spreadsheet try's to illustrate these factors:
Note when you are considering your pig flow, the minimum number of finishing rooms should equal the number required in the summer