CONTENTS ▶▶▶ 6


14 9


21 12


23


Interview: Aidan Connolly, CEO of Cainthus


Pigs thrive on protein from clover grass


Is broccoli extract better than essential oils for feeding broilers?


Locusts decimate crops in East Africa


Herbal extracts used to combat Newcastle disease


Update on supplements for liquid pig feed


18 COVER STORY


A review of yeast as a direct-fed microbial and the effects that it may have on calf performance.


10


ANTIBIOTIC-FREE PRODUCTION


An update on antibiotic-free production of pigs in North America and on which alter- native ingredients are used in pig feed formulations in Canada.


16


INTERVIEW


Is genome editing part of the solution? All About Feed speaks with Diane Wray-Cahen, Senior Science Advisor at FAS, an agency within USDA.


3


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