“…Teat activation is essential for the maintenance of milk production. Greater teat stimulation immediately after birth, driven by a larger litter size born, has been suggested as a mechanism for improved piglet growth and hence, sow milk production ( Plush et al, 2019 ). Regular stimulation of each gland during the first 24 h post-partum results in increased milk yield when compared to glands that have not been stimulated ( Theil et al, 2005 ).…”