<p>Jonker A., Molano G., Sandoval E., Taylor P. S., Antwi C.,&nbsp;Cosgrove G. P. 2014. BRIEF COMMUNICATION: Methane emissions by sheep offered high-sugar or conventional perennial ryegrass at two allowances. Proceedings of the New Zealand Society of Animal Production, 74, 145-147.</p>
<p><strong><a href="http://www.nzsap.org/proceedings/2014/brief-communication-methane-emissions-sheep-offered-high-sugar-or-conventional">Read more</a></strong> (external link)</p>