Selecting prime lambs for market

It is important to know when your lambs are ready for sale so that you can maximise returns from your flock. With many of the earlier lambing flocks now considering their first draw, it is essential to ensure lambs are the correct specification to get the best returns as new season lambs start coming through the live ring. Here is a reminder of some of the key things to consider when selecting finished lambs for market.Ìý
Weight –ÌýRegularly weighing lambs and splitting them into groups based on their weight can help you predict when your lambs will be ready for sale as well as avoiding overfat lambs. Aim for lambs to be in a liveweight range of 42kg to 48kg which will then roughly equate to a deadweight of 16kg to 22kg. Heavy lambs which are over 48kg tend to be best sold through the live ring, to avoid payment caps. Lambs should be weighed empty, to exclude belly-fill as a factor affecting weights.Ìý
FatÌýcover –ÌýAlongside the weight of the lambÌýit’sÌýimportant to access the fat cover.ÌýAÌýlamb may weigh 45kg butÌýmay not be well fleshed.ÌýThe threeÌýmain areasÌýto feel to gauge if the lamb is carrying the correct amount of fat are the loin,ÌýribsÌýand dock/tail. When feeling the loinÌýarea,Ìýthe lamb is notÌýfinished if you can feel the spinous processes prominently when putting a hand over the back of the lambs. If the ribs feel like they only have a little fat cover, it is likely the lamb is not fat enough for slaughter and likewise if the tail bone can be felt easily then it is not sufficient fat cover for slaughter.ÌýÌýÌý
PresentationÌý–ÌýOnceÌýthe lambs have been selectedÌýbased on fat cover and weight it is important to visually access the lambs looking for signs of lameness and ill health. Ensure that lambs are clean before marketing. Presentation of lambs will help to maximise returns.
It is important to considerÌýthe market in which lambs are destined for,Ìýeach market has different requirements and farmers should target those that are looking for the type ofÌýlambÌýthey can produce consistently. It may be tempting to produce a batch of lambs and then try to find a market for them, when it is better to identify the potential market and or customer and then produce the type of lamb that they are looking for that suits their needs.ÌýWhen drawing and selectingÌýlambs it is important toÌýidentifyÌýthe different requirements and send the lambs to the desired end user. The supermarkets tend to want a consistent product which will fit their standard packaging, soÌýthey'llÌýbe looking for the mid-range of carcass weights which offer greater uniformity. Butchers would tend to go a little bit heavier and lambs for exporting tend to be a bit lighter.Ìý
When toÌýsell fat lambsÌý
Like mostÌýproducts sold off the farm, timing can be key to realising the best price possible for theÌýproduct.ÌýThe firstÌýnotable spike in prices for lambs isÌýusuallyÌýin mid-May;Ìýthis is when the first new season lambs start to comeÌýavailable through markets and slaughterhouses. Early lambing January flocks are aiming to hit this peak in the market.Ìý
As prices fluctuate throughout the season, it is important toÌýplan ahead. Target an ideal time for selling, based on expected feed, labourÌýavailabilityÌýand market prices. If considering selling prime lambs in the coming weeks it is advisable to talk to auctioneers and buyers to decide theÌýoptimumÌýtime to market your lambs.Ìý
Jamie Houstoun Agricultural Consultant,ÌýJamie.Houston@sac.co.uk
Posted by SAC Consulting on 18/05/2026