ࡱ> 130[ bjbj 4 ΐΐ SSSSSgggggkmmmmmmtHmSmSS222.SSk2k22w`+[g.W0,^:^^S2mm2^ : DAIRY FARMERS FAVOUR D-VALUE OVER YIELD IN QUEST FOR QUALITY GRASS D-value is now ranked higher than dry matter yield by UK dairy farmers when they are selecting grass varieties for reseeding, according to a British Seed Houses farmer survey reported at the companys recent herbage training conference for agricultural merchants staged at IBERS Aberystwyth University. This finding reflects changes in priorities over the last ten years as the merits of producing more milk from grass have become better understood and the choice of higher quality ryegrass varieties has increased, says the companys agricultural director Paul Billings. The survey is derived from interviews with over 250 dairy farmers attending the main agricultural technical events when they were asked to rank seven criteria in order of importance. In the most recent set of results, D-value was ranked second only to persistence by dairy farmers, with total yield now only considered more important than disease resistance. Priorities for beef and sheep farmers differed from those of dairy farmers, with total yield still more important than D-value to this audience. We know from independent research that each unit of D-value equates to between 0.25 and 0.4 litres/cow/day in extra production, explains Paul Billings, and it would appear that dairy farmers are now factoring this in to their grass variety selection. Since the emergence of the Aber High Sugar Grasses the difference between the highest and lowest even amongst officially recommended varieties has increased significantly. For example, amongst intermediate heading diploid perennial ryegrasses alone on the current Recommended Lists for England and Wales, the difference in mid-summer D-value between the highest and the lowest is over 4 D-value points. This equates to at least 1.0 litre/cow/day in production terms, which is a massive uplift if efficiency and profitability. Above all else, this information highlights how vitally important the independent Recommended Lists are to livestock farmers throughout the UK, and it is encouraging to see that more farmers are appreciating the value of the data at their disposal. Ends - Notes to editors: The England and Wales Recommended Grass and Clover Lists are drawn up after rigorous testing for attributes such as yield, persistency, quality and disease resistance. The trials are carried out by NIAB and evaluated by a panel of experts. Testing is funded by a levy paid by merchants and retailers participating in the Grass Levy Scheme on retail sales of herbage seed mixtures. British Seed Houses surveys farmers at agricultural technical events that the company attends. Questions relating to grassland criteria require farmers to rank their preferences in order of importance, with 1 = most important and 5 = least important. Aber is the registered trade mark of Germinal Holdings Limited. December 8, 2011 Further information: Paul Billings British Seed Houses Tel: 0117 982 3691 Issued by Matt Mellor, Agribusiness Communications Ltd Tel: 01694 731777 E-mail: HYPERLINK "mailto:matt@abccomms.co.uk"matt@abccomms.co.uk The text from this news release can be downloaded directly from the ABC press centre at www.abccomms.co.uk @BCKXvs t u ( Z x z { x y %3:WqƼƼƲƨƼvlbhryOJQJ^JhlOJQJ^JhS/OJQJ^JhGOJQJ^Jh OJQJ^JhWOOJQJ^Jh_OJQJ^Jhyj7OJQJ^Jh;dOJQJ^JhUUZOJQJ^JhLa OJQJ^JhUUZ5OJQJ^JhLa 5OJQJ^JhLa hLa 5OJQJ^JhS/5OJQJ^J%Ct y x VWXYjFGd^`gdS/ dgdS/gdS/ $ & Fa$gdS/$a$gdS/.TUVWYcܾܰ܁sf[PF9h:EhS/OJQJ^JhS/OJQJ^JhS/5OJQJ^JhLa 5OJQJ^Jh5'h5'OJQJ^Jh5'OJQJ^JmH sH  h5'h5'OJQJ^JmH sH h4=OJQJ^Jhl)EOJQJ^JhleOJQJ^Jhl)Eh 5OJQJ^Jh OJQJ^JhLa OJQJ^Jh 0OJQJ^Jhyj7OJQJ^Jhlehyj7OJQJ^Jhleh 0OJQJ^J  01DEFGйبhLa hS/5OJQJ^J$h:EhS/>*B*OJQJ^Jph h:EhS/OJQJ^JmHsH$h:EhS/0JOJQJ^JmHsHhS/jhS/U h:EhS/OJQJ^JmHsHh:EhS/OJQJ^JhS/OJQJ^JG$a$gdS/ dgdS/21h:pj. 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