Serum Hepatitis in the Horse & When to Use TETANUS ANTITOXIN vs. TETANUS TOXOID
Posted by Randall J. Berrier, DVM on 8/7/2020 to
TETANUS
UPDATED: AUGUST 7, 2020 There is a disease syndrome called “serum hepatitis” that affects horses. This is a very rare event and is linked to the administration of equine blood origin products. About 20% of horses with idiopathic
Clostridium septicum (Malignant Edema)
Posted by Doug Stearn, DVM on 1/2/2009 to
ESSENTIAL 2
Malignant edema is caused by an anaerobic gram-positive rod shaped bacteria called Clostridium septicum . All ages and species of animals are susceptible and the disease occurs worldwide. Clostridium septicum is found in the soil and
Clostridium novyi (Black Disease)
Posted by Doug Stearn, DVM on 10/2/2008 to
Black disease is caused by the bacteria Clostridium novyi . This disease causes acute toxemia in cattle, sheep and occasionally pigs and horses. It is always fatal in cattle and sheep. The bacteria is found worldwide, but the
Leptospirosis
Posted by Karalee Gehl, DVM on 9/2/2008 to
LEPTO
What is Lepto? Leptospira is a spirochete in the Leptospiraceae family. A spirochete is a slender, motile bacteria with a multi-layered membrane containing flagella on each end which give it the ability to move spontaneously. It’s an aerobic
WEST NILE VIRUS
Posted by Doug Stearn, DVM on 6/2/2008 to
WEST NILE VIRUS
West Nile Virus (WNV) is a Flavivirus that can cause encephalomyelitis (inflammation of the nervous system) or potentially death in horses and humans. It was first noted in the United States in 1999 on Long Island , New York . Since
Bluetongue Disease
Posted by Randall J. Berrier, DVM on 2/2/2005 to
Bluetongue is an insect-transmitted, non-contagious viral disease that affects domestic and wild ruminants. The worst affected domestic species is sheep. Goats and cattle usually have mild, self-limiting cases. White-tail deer
Pasteurellosis in Livestock
Posted by Randall J. Berrier, DVM on 10/2/2004 to
PASTEURELLA
Pneumionic Pasteurellosis is a major cause of economic loss in the cattle feedlot industry. It is responsible for the largest cause of mortality in feedlots in North America . The disease causative organisms, Mannheimia (formerly
Basic Vaccinology
Posted by Randall J. Berrier, DVM on 12/2/2003 to
Vaccines have proven to be a major scientific advancement for people and animals for over a century. Vaccination is the most efficient, practical and cost effective means of controlling infectious diseases via prophylaxis. The enormity of
Clostridium haemolyticum (Bacillary Hemoglobinuria or Red Water)
Posted by Randall J. Berrier, DVM on 10/2/2003 to
ESSENTIAL 1
Red Water disease is caused by the gram-positive bacteria Clostridium haemolyticum . This is a disease that affects cattle and sheep all over the world. In the United States, Red Water is found primarily in the western part of the
Brucella Abortus Vaccine, Strain RB-51 Receives Full Licensing
Posted by on 9/2/2003 to
RB-51
The USDA’s Center for Veterinary Biologics has issued a full license to Colorado Serum Company for the manufacture and distribution of Brucella Abortus Vaccine, Strain RB-51, Live Culture. For the past seven years, the vaccine (under
Anaphylaxis in Cattle
Posted by Randall J. Berrier, DVM on 1/2/2003 to
In the late winter and early spring of the year, cattle ranchers begin to band or castrate, brand, dehorn and vaccinate for a variety of different diseases. Cattle are injected with many different substances – antibiotics, vaccines,
CLA in Goats
Posted by Randall J. Berrier, DVM on 12/2/2002 to
CASE-BAC
Colorado Serum Company often gets a lot of correspondence regarding caseous lymphadenitis (CLA) in goats and questions about using our CLA vaccines (Case-Bac and Caseous D-T) in goats. There seems to be a lot of interest and misleading
BVDV – Bovine Virus Diarrhea Virus
Posted by Raymond G. Lien, DVM on 11/2/2002 to
Bovine Virus Diarrhea is a significant disease in cattle throughout the world. Sweden and Denmark have instituted eradication programs of testing, removal of PI (persistently infected) animals and strict biosecurity restrictions. The Academy of
Clostridium chauvoei (Blackleg)
Posted by Randall J. Berrier, DVM on 8/2/2002 to
BLACKLEG
The Clostridium spp. of bacteria are of major concern in livestock as primary causes of disease. The clostridia are all gram positive, anaerobic (don’t require oxygen) and all have the ability to produce endospores. The Clostridium spp.
Pre-Weaning Vaccination of Beef Calves
Posted by Raymond G. Lien, DVM on 5/2/2002 to
PASTEURELLA
Quality Beef (Born and Raised in the USA) for the retail meat counter or restaurant begins at the ranch under the care of a good mother cow and with the supervision of a conscientious producer. Maintaining optimal health throughout the growing
Warts (papillomatosis) in Cattle
Posted by Randall J. Berrier, DVM on 4/2/2002 to
WARTS
Papillomaviruses are the cause of cutaneous warts in cattle and horses. These viruses have considerable host specificity. In cattle, warts can occur on almost any part of the body. These warts are often morphologically specific, caused by
Enzootic Abortion of Ewes (Chlamydial Ovine Abortion, EAE)
Posted by Douglas A. Anderson, DVM on 4/2/2002 to
CHLAMYDIA
In previous issues of Vet’s Corner, we have discussed ovine abortion and campylobacteriosis (vibrionic abortion of ewes). The following article references another common cause of ovine abortion, chlamydial ovine abortion, or more commonly
CAMPYLOBACTERIOSIS in Ewes (Vibrionic Abortion)
Posted by Douglas A. Anderson, DVM on 2/2/2002 to
CAMPYLOBACTER
One of the major causes of ovine abortion is campylobacteriosis (formerly vibriosis). Campylobactre fetus subspecies fetus and Campylobactre jejuni are the bacteria responsible for the disease. They are small, motile,
RAM EPIDIDYMITIS
Posted by Randall J. Berrier, DVM on 1/2/2002 to
Epididymitis of the ram is a clinically important disease. It is rare in the goat (buck). It is a specific, infectious bacterial disease that occurs in the United States and all over the world. Epididymitis in adult rams should
PULMO-CLEAR Caprine Serum Fraction, Immunomodulator
Posted by Michael D. Piontkowski, DVM on 12/2/2001 to
PULMO-CLEAR
As many of you may have seen in a prominent equine journal or heard from your veterinarian, there is a relatively new product available from your veterinarian to use in treating Equine Lower Respiratory Disease (ELRD). This product is
Diagnosing Ovine Abortion
Posted by Douglas A. Anderson, DVM on 11/1/2001 to
CAMPYLOBACTER
As we discussed in an earlier issue of Vet’s Corner (September 2001), abortion in ewes has many causes including infectious, toxic, genetic, nutritional, and environmental. In many cases, the actual cause may have occurred days, weeks,
Salmonellosis in Cattle
Posted by Randall J. Berrier, DVM on 10/1/2001 to
SALMONELLA
Salmonellosis is a bacterial disease with a rising prevalence in the cattle industry. It is most common in dairy calves one to ten weeks of age, but can also be seen in adult dairy cows and beef cattle.
Ovine Abortion
Posted by Douglas A. Anderson, DVM on 9/3/2001 to
CAMPYLOBACTER
Abortion in ewes has many causes. Some are infectious like enzootic abortion of ewes (EAE)/chlamydiosis (Chlamydia psittaci), vibriosis/campylobacteriosis (Campylobactre fetus), brucellosis (Brucella spp.), toxoplasmosis (Toxoplasma gondii), listeriosis (Listeria monocytogenes), and salmonellosis (Salmonellaspp.). Others are toxic like hellebores (Veratrum spp.), kale (Brassica spp.), locoweed (Oxytropis spp.), poison/milk vetch (Astragalus spp.), broomweed (Gutierrezia microcephala), coumarins (rat poison, moldy grass or sweet clover), and mycotoxins (usually those that mimic the hormone estrogen). Still other diseases and toxic plants can cause abortions under certain conditions. Malnutrition, abrupt nutritional changes, and heat stress have been implicated and several more causes are currently under investigation.
Anthrax in Farm Animals
Posted by Michael D. Piontkowski, DVM on 8/26/2001 to
ANTHRAX
This time of the year, we receive a lot of calls concerning anthrax infection and vaccination for anthrax. Because this topic is on a lot of people’s mind, I thought it would be helpful to reprint a recent article by Dr. Charles L. Stoltenow, Extension Veterinarian for North Dakota State University. Dr. Stoltenow has written an excellent review of Anthrax and has graciously given Colorado Serum Company permission to reprint this article.
Contagious Ecthyma
Posted by Randall J. Berrier, DVM on 8/1/2001 to
CONTAGIOUS ECTHYMA
Contagious Ecthyma (also known as Orf, Sore Mouth and Contagious Pustular Dermatitis) is an infectious dermatitis of sheep and goats. Oral (lip) lesions (scabs) are the primary clinical findings at the mucocutaneous junction. Infections can also occur on the coronets, ears, anus, vulva or prepuce. The causative agent is a parapox virus. Man can occasionally become infected if the virus (scab) contacts damaged skin.