Multi-mineral salt blocks are hard, rock-like manufactured blocks that contain a range of trace elements. They can be scattered around a farm for animals to lick. The blocks are usually mainly salt (sodium chloride), but can also contain calcium, iodine, copper, cobalt, iron, selenium and zinc.
Te whakamahi i tēnei tūemi
Natural Sciences Image Library of New Zealand
Reference:
Ag1852Rbt.tif
Photograph by G. R. Roberts
This item has been provided for private study purposes (such as school projects, family and local history research) and any published reproduction (print or electronic) may infringe copyright law. It is the responsibility of the user of any material to obtain clearance from the copyright holder.
Tāpiritia te tākupu hou