Page 3 of articles about milk
Coefficients of repeatability for colostrum and milk composition of PLW and PL sows over three consecutive lactations
Neonatal piglets are able to differentiate more productive from less productive teats

Milk replacements
The use of milk replacers is helpful, both to increase the number of weaned piglets and to simplify the management of nurse sows.
Effects of dietary 0.5% aniseed extract on milk yield of sows and their offspring
Anterior teats secrete higher volumes of colostrum than the posterior
Superinfection of sows with Cystoisospora suis ante partum
Citric acid supplementation on performance, digestibility and milk composition in sows

Supplementing water to lactating sows
There are different systems for carrying out this water delivery. Probably, the most common one is with a hose, but sometimes, the sows' troughs are not facing the corridor but the wall.