I think it may be this.

Core Feed Manufacturers
search.gmdu.net › Search Engine
Core Feed Manufacturers, include Pharma Core Limited, SD automatic poultry equipment system, BORNNET CORP CO LTD, AUM ENZYMES, Jillan Traders ...

PDF]Corporate sustainability report 2010 - Agrifirm
www.agrifirm.com/LinkClick.aspx?fileticket=JJ8PKlFAwQo=...
horticulture and livestock sectors in meeting the demands of the future. The merger ..... The core feed concept for broilers was introduced to the market in 2010.

http://www.cipav.org.co/RevCubana/1201/120111.html
UTILIZATION OF NUCLEUS OF PROTEIN, VITAMINS AND MINERALS FOR FATTENING PIGS IN FARMS FROM MININT
SUMMARY
A study was conducted in a pig farm, for evaluating the technology of pig feeding by using different nuclei of protein, vitamins and minerals and products from the sugar cane as energy sources. The study consisted of four experiments conducted with fattening pigs, in which performance and carcass traits were evaluated, including the feeding technology throughout the fattening period.

http://www.proz.com/kudoz/portuguese_to_english/nutrition/50...
núcleo protéico-vitamínico-mineral
Vitamin mineral protein complex / Vitamins, minerals and proteins

Cutting Edge: Technology, Information Capitalism and ...
https://books.google.com.jm/books?isbn=1859841856
Jim Davis, ‎Thomas A. Hirschl, ‎Michael Stack - 1997 - ‎Business & Economics
Livestock production grew at an extraordinary rate as beef, pork and poultry ... The livestock/ feed complex has become a highly technical industry favoring ...

"feed complex" perhaps?

blend if it only has vitamins or minerals or vitamin and mineral premix, with or without any additives (for example anitioxidants, enzymes etc.)