Biosafety of parenteral brucella abortus RB51 vaccine in bison calves

Article Abstract:

Bovine brucellosis can be found in bison in the Greater Yellowstone Area, and this complicates efforts to eradicate the disease among domestic cattle. Bison are expanding their range and so the risk of the disease spreading could become greater, making the issue an urgent one. Brucella abrotus RB51 is a new live vaccine which is commonly used with cattle, and it has been tested on bison. This vaccine persists for longer in bsions after thay have been vaccinated in calves than it does in cattle. The vaccine also appears to be safe to use with bison.

Wildlife management, Vaccines

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Reproductive synchrony in brucellosis-exposed bison in the southern Greater Yellowstone Ecosystem and in noninfected populations

Article Abstract:

Research on Yellowstone Ecosystem bison indicates that reproductive synchrony is not a significant factor in brucellosis transmission. Although the disease may be acquired through other animals' exposure to spontaneously aborted bison fetuses, studies show little difference between infected and non-infected bison in reproductive synchrony, reducing its role as a transmission vector.

Yellowstone National Park

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Conservation endocrinology: a noninvasive tool to understand relationships between carnivore colonization and ecological carrying capacity

Article Abstract:

Research presented concerns the usage of reproductive technology to understand predator-prey interactions within biological restoration programs. The examination of fecal progestagen concentrations revealed the pregnancy rates of moose in the Yellowstone Park ecosystem, and moose population and survival rates are detailed.

Predation (Biology), Carnivora, Carnivores, Reproduction (Biology), Moose, Reproduction, Endocrinology, Reproductive technology

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