On the same front of working with different methods of bale feeding.
I have had for 3 years one of the typical round bale feeders. It cost me $450 at local feed store. I have used it for 2 winters previous to winter of 2014/2015. It is the one in photo one in the background of 2 Dairy feeder steers.
Being not impressed with it at all I went out on a limb and bought a "J & L Hay saver" bale feeder. $1250.
Hands down the J & L wastes so little hay it is amazing. And it is built to last 2 or 3 times longer, at minimum. Part of the chaff on the ground in front of the J&L is me going out and cleaning the 'stick' hay out of the built in feed trough that the cows don't want to eat.
Now, with the cost of hay in my area being relatively cheap, this year, it will take a few years to get the money back. My estimate is it will save me $100/year. But that is an 12% return on investment. You just don't get that in most things you are investing in that takes NO extra labor or ongoing inputs.
( $1250 - $450 = $800 investment to realize a $100 savings annually)
This does not calculate the extra life of the implement. The J & L Hay Saver is made twice as heavy and strong. Which means it will last more than twice as long because I do not see the 'Tarter' ring as being built to stand long term punishment from 1000lb cows.
If you do the true depreciation I believe this devise cost no more per year to own except the interest on initial investment, other wise know as lost opportunity costs. So if we
assume it will last 3 times longer. It is effectively the same cost per year. But we laid out more cash upfront.
So cost to borrow of 6% is the lost opportunity value.
$450 x 6% = $27
$1250 x 6% = $75
Difference of $50 for easy working.
So this Feeder is costing me $50 more per year to own.
I Save $100 per year. This is giving me a %200 return per year on the long term cost of ownership for the extra money to upgrade to a true feeding deviced, not a circle on the ground to mulch hay around. If your goal is to build soil by making mulch and getting the cows to break it up and add manure to it I suggest the generic rings. If you value the feed value of your hay I would NEVER suggest one.
For more info look at their web site. NO I do not sell them. I am not affiliated with them. I am just an impressed customer. I have already bought the model that is better suited for calves and sheep.
http://www.jlhaysavers.com/
And next year I will have one in the Paddock with my brood cows. I will then use the generic feed ring for just what I said. To feed low quality hay where I want to build up soil by having the cows do the work. Hey.. every tool has a use!