BUILDING BETTER BIOLOGICALS FOR THE CATTLE INDUSTRY SINCE 1977
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Corynebacterium Pseudotuberculosis/FAQ

Caseous Lymphadenitis Vaccine--Conditional License Product

WHAT IS CORYNEBACTERIUM PSEUDOTUBERCULOSIS AND HOW DOES IT RELATE TO CASEOUS LYMPHADENITIS?
Corynebacterium pseudotuberculosis is a bacterial organism that causes the disease commonly referred to as Caseous Lymphadenitis or CL. It is common in regions with large goat populations. Economic losses result primarily from condemnation and trim of infected carcasses, as well as, devaluation of hides. Caseous lymphadenitis is also a cause of ill-thrift and sudden death in animals with internal abscesses. It may affect other species, but it is mostly recognized in sheep and goats.

HOW IS IT SPREAD?
Infection with the organism occurs when Corynebacterium pseudotuberculosis penetrates through skin or mucous membranes. The organism is most commonly spread within a herd when an abscess from an infected animal ruptures in areas where high concentration of animals are located. Repeated use of contaminated equipment such as ear taggers, clippers, syringes, needles, feed and water troughs can also be sources that lead to the spread of the disease. The pus from ruptured lesions contains bacteria that will remain on the premise as it can survive for months in hay and soil.

WHAT IS CASEOUS LYMPHADENITIS (CL)?
Caseous lymphadenitis is a chronic, recurring disease. A slowly enlarging, localized, and non-painful abscess may develop either at the point of entry into the skin or in the regional lymph node (superficial or external form), from which it may spread via the blood or lymphatic system and cause abscesation of internal lymph nodes or organs (visceral or internal form).

CAN THIS VACCINE BE USED IN LACTATING OR PREGNANT DOES?

No. This vaccine has not been tested or approved in lactating or pregnant does.

CAN THIS VACCINE BE USED IN SHEEP?
No. This vaccine is labeled for goats only.

WHEN IS THE BEST TIME TO VACCINATE?

At weaning or shortly after, depending on the age of the kids, is recommended. A minimum age of 90 days has been established for this vaccine. This is also the optimal time to vaccinate does and bucks prior to breeding.
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