Performance recording & genetic evaluation for the New Zealand sheep industry

SIL is a tool for both ram breeders and ram buyers. SIL is part of Beef+Lamb New Zealand, funded partly from sheepmeat levies and partly from fees charged to breeders.

This web site is here to help ram breeders and buyers make the most of SIL. SIL welcomes any feedback you have about this website - just use the "Contact us" link to the left on your screen.


  • SIL-ACE- SIL's largest across flock evaluation underpins several online tools & resources
  • eSearch BreederFinder                         Find SIL breeder contact information
  • Latest SIL-ACE results                            Sire Leader Lists, the "downloads" page
  • eSearch FlockFinder                                   A SIL ram buyers tool - find ram breeding flocks that are recording performance for traits you want to improve
  • eSearch RamFinder    
    A SIL ram breeders tool - powerful search engine that allows users familiar with SIL system to specify wide range of criteria to search for individual animals


New Meat Yield eBVs compared to old Meat eBVs     - 23/8/2013
An examination of how new eBVs for carcass merit differ from old eBVs *** USEFUL *** read more

New Breeder Search tool released     - 6/9/2011
A new tool, BreederFinder, has been released *** USEFUL*** ... read more