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Did a progeny-test breeding trial on commercial cattle for the Jordans at Waukaru for the Spring 2014 calf crop, comparing W.Orion 2047 to W.Coppertop 464(whom we'd been using for several years); small group of mostly 3/4AN-1/4SM cows... ended up with 4 steers by each sire, which went into a...

Perhaps you should have her examined by a veterinarian. Blood work and fecal exam may be in order...certainly a serologic test for Johne's Disease, since you say she's 'loose'...and milk production is down.

Brock We're Located in southern west-central KY, just north or the TN line, about an hour NW of Nashville. Sort of an MIG operation, grazing mostly novel endophyte fescue/orchardgrass/clover, moving to fresh paddock every 1-2 days, from March through October.  Cows are limit-fed grass hay and...

Brock, I think the growth is there - if you pick the right sires - and I think they're out there, just not in the numbers available in some other breeds. Commercial outfit here, not a registered or purebred cow in the herd... We've been using several solid red Shorthorn sires over...

aj, look here: http://link.springer.com/article/10.1007/s003359900404#page-1

Don't know him, but hope he has a speedy recovery. Don't know the details of his wreck, but almost every report I've seen of ATV wrecks injuring/killing folks around here for years have been folks driving them on paved roads - and either losing control or being hit by cars/trucks.  Used to...

Unlikely. I'd guess you're misremembering, or whomever wrote that is probably wrong. Additional iodine (used to be provided by adding more EDDI) probably helps some with footrot.  Have seen some herds where adding some extra Vitamin A to the ration seemed to help with incidence & decreased...

knabe, Polled bulls have absence or hypoplasia of the retractor prepuce muscles... hence the propensity to preputial prolapse and inability, in some cases, to 'keep it pulled in'. Perhaps the genes that would code for development of those muscles are in the vicinity of or are influenced the...

After many years,  ;) I've come to the realization that the most common reason for a well-grown heifer NOT coming into heat ...is...she's already bred.  As you've also discovered, now.

It's essentially a 'generic' knock-off of LA-200;  proper administration of the appropriate dose for the weight of animal - and no more than 10ml per injection site - should provide up to 72 hrs of therapeutic blood levels (and, ostensibly, in ocular secretions).  Be certain to read the label...

sg, I'm not a reproductive physiologist, and don't play one on TV (but I am a veterinarian) - but a lot of folks have no clue about even the most basic info - or they've received misinformation from someone - or misinterpreted what they were told.  Sometimes it's hard to get past old spouses'...

There is no reasoning; they're just parrotting misinformation they heard from someone else. As O'BSC said, prostaglandin injection will only 'bring them into heat', if they have a CL on the ovary following a previous ovulation.  Estrus following injectible prostaglandin-induced lysis of that CL...

We use histologic exam and PCR for diagnosis of C. burnetti infection on tissue samples at our lab (breathitt.murraystate.edu); Texas Veterinary Medical Diagnostic Lab offers serologic test; we send clients' serum samples out to TVMDL when we need a serologic test result. No Coxiella vaccine...

Synched a group of 23 cows & heifers a week or so back.  5-day protocol. Cows were all at least 60 days post calving. 16 cycled in normally and were bred between 48-72 hrs, on observed heats.  7 cows...nothing... but then, one(last heifer in the group) in heat 5 days after pulling CIDRs, two...

I used to chew the stems all the time as a kid - they have oxalic acid...lending a tart flavor. I suppose that in large amounts, they could be toxic to some species, but I have never seen oxalate toxicity in a grazing animal. Their presence - especially in the amounts you're describing...

Thanks for the heads-up, librarian. Q Fever is more widespread than most producers - and probably most veterinarians - realize. I see occasional Coxiella abortions in cattle coming through the diagnostic laboratory here - but it's one of the more common causes of abortion that we see in small...

No roans here, but getting quite a few reds, as we've been using Shorthorn and a few hetero-black Sim sires over ANxSimAngus cows. Sold a group a couple of weeks back; mostly black steers, with two reds in the group; essentially 7/8 sibs...all were essentially the same genetic makeup for 3-4(or...

knabe, Two articles by 'journalists' who probably didn't even have to take a basic biology course, and know virtually nothing about infectious disease.  Some good information, but some misinformation, as well. Neither agent - Chlamydia(now Chlamydophila) or Coxiella are a virus. Q fever...

Repro guys at the university told me there's enough progesterone in the US cidrs for two rounds of 5 or 7-day protocols. Cautioned against using soap/detergent to clean them, as it will remove some of the progesterone. Just rinse thoroughly and get any gross contamination off.  A dip in...

Relax, SH4us.  It's not a heritable defect, just an 'accident'...structures - in this case, the heart and great vessels - didn't migrate to their proper location during fetal development. It's not a terribly common occurrence - but not unknown... I've seen photos, but have never seen one in...