Off cow

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sassafras manor
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Re: Off cow

Postby sassafras manor » Fri Oct 19, 2018 8:19 am

The cow died overnight last night. It's crazy how fast she went down considering Monday night she ran up to be fed and then to be dead 3 days later. I am on my way to pick up the Aereomycin table to put out with the rest of the herd and will post details about it when I get back home
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Re: Off cow

Postby Bright Raven » Fri Oct 19, 2018 8:25 am

sassafras manor wrote:The cow died overnight last night. It's crazy how fast she went down considering Monday night she ran up to be fed and then to be dead 3 days later. I am on my way to pick up the Aereomycin table to put out with the rest of the herd and will post details about it when I get back home


Sorry. Anaplasmosis is deadly and FAST. It destroys their red blood cells.

I would like to know how a tub with chlorotetracycline is going to provide enough prevention to do much good. The vet who treated rollinhills herd recommended a top dressing of CTC (Chlortetracycline)on feed. Seems that would guarantee more getting into their system.
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Re: Off cow

Postby Lucky_P » Fri Oct 19, 2018 8:33 am

I, too, have concerns about whether or not adequate levels and consistent consumption of a tub product (I didn't know there were any) will adequately prevent additional clinical cases - if there are other animals in the herd in the incubation phase of the disease.
Blood testing(cELISA serology) will identify infected animals, but will not differentiate between animals that are in the incubation phase... soon to become clinically ill ... and those that are persistently infected, with low-level parasitemia(these animals will not become clinically ill, but may serve as a continued source of Anaplasma organisms to infect the next generation(s) of ticks, which then amplify and transmit to naive cattle.

I'm retired and have not been in active veterinary practice for some time... not sure the new VFD regs, which took effect in Jan 2017 even allow 'top-dressing' of feed with Aureomycin anymore... I was under the impression - though possibly mistakenly - that the CTC had to be mixed into a prepared feed or mineral supplement at allowed concentrations in order to meet the letter of the laws.
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Re: Off cow

Postby farmerjan » Fri Oct 19, 2018 8:43 am

Lucky_P the way I understand it here in Va is you have to get a vet script and you can then get the 50lb bags of Aureomycin crumbles. They have to specify the # of bags allowed, and dosage per animal or per lb of feed (ton of feed), but it does not have to be directly mixed at a mill in feed. By getting the vet script, it is basically insuring that a vet has looked at and prescribed this particular treatment for this particular group of animals.
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Re: Off cow

Postby sassafras manor » Fri Oct 19, 2018 11:38 am

The feed mill I picked up the Aureomycin at this morning had it in 50lb bags of crumbles so that was what I bought to be top dressed with their daily rations. The top dress rate is 1.6 oz/100 lbs animal weight for 5 days. My VFD runs thru April.
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Re: Off cow

Postby Bright Raven » Fri Oct 19, 2018 12:29 pm

Lucky_P wrote:I, too, have concerns about whether or not adequate levels and consistent consumption of a tub product (I didn't know there were any) will adequately prevent additional clinical cases - if there are other animals in the herd in the incubation phase of the disease.
Blood testing(cELISA serology) will identify infected animals, but will not differentiate between animals that are in the incubation phase... soon to become clinically ill ... and those that are persistently infected, with low-level parasitemia(these animals will not become clinically ill, but may serve as a continued source of Anaplasma organisms to infect the next generation(s) of ticks, which then amplify and transmit to naive cattle.

I'm retired and have not been in active veterinary practice for some time... not sure the new VFD regs, which took effect in Jan 2017 even allow 'top-dressing' of feed with Aureomycin anymore... I was under the impression - though possibly mistakenly - that the CTC had to be mixed into a prepared feed or mineral supplement at allowed concentrations in order to meet the letter of the laws.


Congratulations on your retirement. I have to ask - do you miss it? Or does putting more time into your operation keep you occupied?
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Re: Off cow

Postby Dempster » Fri Oct 19, 2018 12:56 pm

There are 2 options for getting a VFD for CTC for anaplasmosis. The first is to buy bagged CTC and mix that into a daily ration for at 2 mg/lb BW, or buy a premade ration like that. This would usually be done with the 10 g crumbles, but there are ways of doing it with 50 g granular also. Option 2 is to buy a premixed product with CTC in it that you put out and the cows have free choice access to, which is probably what your tub is, or you can buy a premixed mineral.

Things that are not legal options would include buying the 50 g granular CTC and mixing it into your existing mineral or mixing CTC into your creep feed and allowing free choice access that way.
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Re: Off cow

Postby ALACOWMAN » Fri Oct 19, 2018 1:11 pm

sassafras manor wrote:The cow died overnight last night. It's crazy how fast she went down considering Monday night she ran up to be fed and then to be dead 3 days later. I am on my way to pick up the Aereomycin table to put out with the rest of the herd and will post details about it when I get back home
my son was up in that area on a hunting lease, to get it ready ...he and a cousin got eat up with ticks....
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Re: Off cow

Postby TCRanch » Fri Oct 19, 2018 2:18 pm

sassafras manor wrote:The cow died overnight last night. It's crazy how fast she went down considering Monday night she ran up to be fed and then to be dead 3 days later. I am on my way to pick up the Aereomycin table to put out with the rest of the herd and will post details about it when I get back home

Sorry to hear that! Hopefully she's the only one - good luck w/the CTC.
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Re: Off cow

Postby Lucky_P » Fri Oct 19, 2018 3:24 pm

Dempster,
As far as I'm aware, the recommended feeding rate for control of clinical anaplasmosis cases is at the 0.5mg CTC/lb BW/day level...ideally for the duration of the vector season (Apr - Nov, here in western KY).
Feeding at the 2mg/lb rate, for 60 days or more has the potential to 'clear' the infection - in most, but potentially not all, cattle. Be aware that these 'cleared' cattle will once again be susceptible to infection and may develop clinical disease and die, should they subsequently be re-exposed. If some animals fail to consume adequate CTC, they may not 'clear', and may serve as a residual source of infection...if neighboring herds aren't already filling that niche.

I'd not kept up with all the facets of the VFD regulations... I have no intention of writing one, unless I have to do one for my own animals... and I'd probably have to contact one of my younger colleagues to find out which feed mills will even fill one...
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Re: Off cow

Postby boondocks » Tue Oct 23, 2018 12:50 am

Newbie-ish question: what is meant by "top dressing"--putting the crumbles on top of feed? If so, what if the herd is all grass-fed?
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Re: Off cow

Postby Lucky_P » Tue Oct 23, 2018 5:48 am

That's what it means.

No feeding...you could be in trouble.

You could treat every animal 1 yr of age and older with 2 rounds of injectable long-acting oxytetracycline, at 3-4 day intervals...but this will not cure/clear the ok infection, and any animals that may have been in the incubation phase will pick right back up and may become clinically ill within 3-6 weeks

Vaccination is worth considering, but if you're having sick cows...it's too late for that season. It's a management tool to diminish/prevent clinical disease, but does not prevent infection.
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Re: Off cow

Postby T & B farms » Tue Oct 23, 2018 6:29 am

We have a major problem with it in my area. It sure is frustrating. I have been vaccinating several herds. It is very spendy, but so is cows dropping over dead. My vet said other people in this area have had very good luck with it, so we will see.
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Re: Off cow

Postby sassafras manor » Tue Oct 23, 2018 8:50 am

I spoke with a neighbor last night and he heard that someone in the area was currently loosing a cow a day due to it. It definitely reinforces the need for continued treatment. So far all is good within my herd
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Re: Off cow

Postby ALACOWMAN » Tue Oct 23, 2018 3:46 pm

Great to hear, but don't let your Gaurd down yet...a year like we've had, I'm as paranoid as a meth head...
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