Recently in Beef Cattle Category
"Failure of Passive Transfer" is a phrase used in veterinary medicine to explain why the newborn has diarrhea or pneumonia or joint ill or navel ill or other physical problems or developments indicative of some generalized infection or unthrifty condition. By the way, the students on my rotation the other day didn't know what I meant by the terms "joint ill" or "navel ill". I guess these conditions are called by other names now. When "thinkers" are bored they seem to change the name of certain conditions or disease processes if they are suffering from a drought in discovering new diseases. Joint ill is the term I learned when a foal or sometimes a baby calf develops a swollen, tender, warm or hot joint or joints. This happens when germs enter the system (often times through the navel) and "settle out" in the joints. The condition is almost always a death sentence to the affected newborn since treatment can become very expensive and frustrating. Certainly, mama stepping on the leg could produce a similar appearing problem, but if multiple joints are affected, mama probably isn't that clumsy.
What allows these serious infections to occur in such a young, fragile offspring is often related to the baby not nursing the dam soon enough after birth in order to receive the very important colostrum. In some cases, it's possible that the dam's immune system wasn't properly prepared for the germ Mother Nature showed the baby, so although the newborn nursed well and in a timely manner, the colostrum was a little lacking since mama's immune system was deficient in some way. That's what is meant by "failure of passive transfer".
Since the newborn's immune system isn't ready to "take on the world" of germs, mama's milk needs to provide immediate protection. This is a concept we've all been familiar with since basic animal husbandry classes. But what sometimes isn't understood is that the window of opportunity for the absorption of these protectors against disease that are in the colostrum is relatively short. The time frame varies a little depending on whose opinion you're hearing, but I learned within the first 8 hours of birth. Some offer a more narrow window for the best chance of protection.
So what's the big deal? We all can expect the newborn to certainly have an opportunity to nurse within 8 hours. Or maybe not. What about that cow that wasn't culled last year because she's pregnant again and she always does a good job on her calf. The only problem is the several calves she's had and the plentiful milk she provides have caused her teats to be so big the calf can't get them in his mouth. Or maybe only one of her teats is enlarged, but that's the one her calf chooses to try to nurse while he's still wobbly legged. The mare with the nervous disposition that was bred since she wasn't suited for anything else has now gone through pregnancy and labor; she's still nervous and unsettled and won't let her baby even try to nurse.
The other important thing to consider is preparing the dam's immune system with the proper ammunition through a thoughtful, systematic approach to vaccination. If you are uncertain what types of infections and diseases are prevalent in your area, the local veterinarian should have already done the homework for you. He or she is probably happy to share the knowledge. Saving expense by shortcuts on nutrition and proper mineral supplementation, may compromise the vaccination protocol. So don't be too quick to blame 'ol Doc because the vaccine recommended didn't seem to help at all. Those animals need a healthy immune system in order to respond to the vaccination.
There's quiet a lot of stuff that can allow "failure of passive transfer" to occur. The end result is almost always the same, though. The dam's inventory cost is real. Her lack of productivity is too.
Short grass is commonly thought of causing wormy cattle by the cattle grazing down where the worms are, but that thought is a misunderstanding. The reason that producers think that way is because the cows look wormy, when actually the cows' poor body and hair coat conditions are related to malnutrition from low intake of roughages on short grass pastures. When short grass is caused from dry conditions due to lack of rain and from overgrazing the slow growth of grass, the worms are not down there in the soil; the larvae have died from the dryness, and also from the heat in the summer.
A ProMED-mail post
ProMED-mail is a program of the
International Society for Infectious Diseases
Date: Fri 11 Aug 2006 1:24 PM
From: Linda Glaser
Since the last BAH update which included a news release, 2 additional
premises were confirmed as having anthrax mortality. One of these
premises was just over the Kittson county line in Marshall County,
the other premises in northeastern Polk County. These locations are
the 1st confirmed cases of anthrax to occur in their respective
counties in 2006.
The last report of mortality attributed to anthrax was in a beef cow
on 25 Jul 2006. My understanding from Dr. Lindemann is that no
additional mortality has been attributed to anthrax since that
time. A total of 83 animals have died on [25] premises with confirmed anthrax.
This message is from an AgNews Article.
Jan. 10, 2006
Early Detection of Fire Damage Can Minimize Cattle Losses Due to Fire
Writer: Kay Ledbetter, (806) 677-5608,skledbetter@ag.tamu.edu
Contact: Dr. Floron Faries, (979) 845-4353,ffaries@cvn.tamu.edu
Dr. Ted McCollum, (806) 677-5600,tmccollu@ag.tamu.edu
Dr. Ron Gill, (254) 968-4144,r-gill@tamu.edu
COLLEGE STATION – Analyzing injuries to cattle following a wildfire is important to minimize losses, said a Texas Cooperative Extension specialist.
"It might look like they've made it and there was no visible physical damage," said Dr. Floron "Buddy" Faries, Extension program leader for veterinary medicine. "However, it's important to have them looked at by a veterinarian as soon as possible because there could be secondary problems that lead to infections and further problems."
Since it is obvious that we are currently in a drought situation many producers are unaware of illnesses that can be brought on due to malnutrition.
