Note floor feeding may not provide all gilts in group with ad lib feeding Gestation feeding in the pregnant gilt Limit to a condition score of 3.5 or this will create a second litter size drop Maximising lactation feed intake 10 kg by day 18 of lactation. Ensure water supply excellent Weaning to service Maximise to service increase protein ie fish meal. If possible keep the sow in the crate and move the piglets and then feed another lactation feed. Retinol Palmitate used. Parity 3-5 most productive.
Replacement rate needs careful management.
Ensure herd parity is correct. Genetics Heterosis on maternal side may account for 1 pig per litter. Sows with large litters will tend to produce large litters next time. Diseases Ensure vaccination against Parvo good. Swine influenza reduces litter size.