Serious Play Time – Breeding
It is breeding time at Topsy Farms – the boys go in with the girls. We have 4 teaser rams (those with vasectomies), 5 very young Suffolk rams of our own breeding, and 22 rams in their prime. We have 413 first year ewes and a mature flock of 820. We don’t want to put the rams to more than about 50 ewes each, increasing the probability that every ewe will be pregnant in the spring.
Christopher says that it takes 4 months 3 weeks and 4 days to complete gestation.
Last year, spring was awfully cold and wet and late, and we are calculating when to put the boys in with the girls, based on probabilities about the weather and pasture growth in early May.
In order to encourage ovulation, the teaser rams have been in with the first year potential mamas, the ‘replacement’ flock. All the hormones are stirred up and the young females are more prepared to stand to be bred.
The farmers have been working steadily in preparation for breeding time, checking each member of the flock for readiness and well-being, and putting new ear tags in the yearlings who lambed this spring for the first time. All the females had to be divided into several different groupings so each smaller group is with the appropriate rams.
The first year girls are bred by Border Cheviots, whose lambs are smaller, and have feisty self-sufficient ‘survivability’ characteristics. They also tend to have lower prolificacy (fewer lambs). We hope for an average of one healthy lamb per first year mama. We don’t want them to be strained by bearing or raising too many or too large lambs.
The mature ewes are divided according to their dominant breed characteristics. The primarily North Country Cheviots (good pasture sheep, big framed and hardy) will be bred by Suffolk Rams (good meat characteristics). The rest of the flock (Suffolk, Dorset, Hampshire, and Rideau Arcott strains still in the mix) will be bred by our North Country Cheviot rams. Three new ones were purchased this year from Quebec. We will subdivide in about 6 groups. Those groups plus the animals in the barnyard make a lot of chores in the next few weeks, and increased challenge for the guardian dogs.
The heat cycle for breeding lasts just 16 to 18 days. After that, almost all of the ewes should be bred. The groups will then be amalgamated and the action, though abated, continues. One of the ways the rams can show overwork is by damaging their front feet as they ‘dismount’ onto hard frozen ground. Their back feet get sore too.
By next spring there will be more pure wool from shearing for our on-line store products and through our Wool Shed on the farm. By next fall, there will be more delicious lamb available for private sales.
We hope for no wild blizzards during that period putting the rams off their stride so to speak.