How we feed youngstock has huge implications on long-term performance, health, and fertility. A common mistake we see on farm is overfeeding energy, producing fat calves or lambs, rather than animals with a strong frame and good muscling.
Why does frame matter?
Bone and muscle growth primarily occur before puberty. Excess fat deposition at this stage can limit frame development, reducing mature size and future performance.
Research shows that moderate, steady growth produce animals with better lean tissue deposition, stronger joints, and more efficient feed conversion.
Feeding principles
Energy for maintenance and moderate growth – avoid high concentrate diets that exceed growth targets
Protein is essential: optimal crude protein levels in diets support muscle and frame development
High quality forage ensures proper rumen development and encourages steady growth
Practical tips
- Monitor BCS: aim for lean, muscled youngstock rather than fat animals
- Introduce concentrates gradually and match feeding to target daily liveweight gain
- Provide free access forage to support healthy rumen function
Take home messages
Steady growth maximises frame development, future fertility, and production efficiency. Feeding for frame, not fat, may take a little patience now, but it pays off in healthier more productive adult stock.
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