Just a couple of points to ponder:
Mineral is an exact science. It is best NOT to hand mix
anything with the mineral. We just cannot mix it good enough
so that a cow gets it all when she takes a lick. When we
mix something in it ourselves, we just took away all the
expensive equipment that mixes it at the plant and she might
get her mag requirement for a week and not get her trace
mineral requirement for the day.
Quality and quantity of forage dictates mineral consumption.
A good company will work with you, taking grass samples
if necessary. But usually, the same mineral works in many
areas and the area manager knows what works in each
particular area. Keep it simple.
The government dicatates how much selenium can be
in the mineral. Vigortone has the highest amount allowed
by law.
It is better to have more than one source of copper in a mineral.
Zinc helps make copper more available to the cow.
Vigortones Next Generation mineral takes this into account
and they raised the Zinc levels a bunch to help the copper
be more available.
Organic iodine for footrot is an old wives tale.
Zinc enhances the integrity of the foot, making the tissue
stronger and tougher. We haven't treated a case of footrot
for years. Our neighbor had epidemic hoofrot in 1994. He
was giving shots, boluses, and organic iodine. Nothing helped.
We went in and added pure zinc to the mineral. Got him through
the problem, he got on Vigortone and the amount of hoof rot
he has had the last 13 years you could count on one hand.
"Small amount of grain" you say. Hummmmmm, no way of knowing how
much grain is in the mix. If it gets hard when it gets wet, there
is too much grain in it. Adding grain is a way of cheapening it up.
12% phos causes the product to be bitter so as you mentioned,
the grain is added for flavoring. Let me ask you this, "why would
you buy a mineral that is 12% phos that has to have grain added
so they will eat it, when you could buy a lower phos product with
no grain?" Phos is the most expensive ingredient in mineral (and
Cargill owns most of the phos plants. They raised the price of the
phos and that cause the price of everyones mineral to go up.)
Cattle eat grams not percents. So if you have a 12% phos mineral
that they won't eat, how is that better than a 7% phos mineral that
they consume at the recommended levels? We have worked with
so many producers and we check what the cattle consume in a year's
time. Year in and year out, good years to bad, they consume right
at target for the year. Sometimes they eat a lot, sometimes not so
much, but just about always they hit the recommended levels when
figured by per head per year.
As PPRM has already mentioned, watch the ingredients.
Availablity is EVERYTHING. Sources are important.
Know the company you are working with. Are they working for
YOU or are they merely a FEED SALESMAN? And believe me,
there are more FEED SALESMEN out there than folks that are
working for your best interest.
To me, calving 55 cows in 55 days is awful. That averages
out to only one calf per day.
Our customers (some with big herds) get 85-90% of their calves
in the first heat cycle. 45 days is all they get in total. I'd sure
say that you have room to shorten up your calving
interval. How you do that is up to you.
There are some good mineral mixes out there. Cenex Land O
Lakes is NOT one.
Hope this helps!