Julie Morrow-Tesch's experiments with piglets in a maze showed that it was the mother's milk scent on the udder that guided the piglets.
He joined what is now the Roslin Institute, near Edinburgh, in 1973, and cloned Dolly the sheep from the udder cell of an adult ewe in February 1997.
Around the bend in the path came a soft, pale, velvety nose, attached to a large, prancing, silky brown body bearing a well-filled udder between the hind legs.
Even if there's milk in the udder , the pregnancy has to have advanced sufficiently to predict foaling.
Milk out cows for the first three to six days after calving, making sure the udder and teats are clean
A calf that spends the early hours of life licking a dirty udder and hind legs of a cow trying to find a teat is more likely to succumb to disease than a calf in a clean environment that got an early feed of quality colostrum.
An embryo can be developed from scratch, without the normal fertilisation process, using a nucleus derived from an adult cell that had already specialised (in this case, a sheep udder cell).
This may be on the teat or where the teat joins the udder .
A healthy udder is soft and pliable, and has two well-developed teats.
Critics seemed most impressed that the film-makers had invented the male cow, with udders instead of horns.