Development of an Index to Rank Ryegrass Varieties for Milk Production or Beef Gains Potential
ISSN 2158-9429
Volume 12, Issue 2 - December 2019
Editor: Linda Chalker-Scott
Abstract
- The objective of this study is to develop a ryegrass forage value index (FVI) in Oregon. Twenty perennial ryegrasses were planted in the fall of 2015 in replicated plots of three complete randomized mixed blocks. Plots were harvested six times annually for two years and sent to Dairy One (Ithaca, NY) for analysis. Varieties were ranked for estimated milk production using an index based on energy (NEl). Estimated milk production per acre ranged from 284 cwt. to 241 cwt. for the varieties tested. This 43 cwt. difference could be estimated to be potentially worth from $600-$800 dollars and acre difference in total milk produced.
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