Rotavirus Case Study

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Amongst both sheep and cattle, there had previously been outbreaks of rotavirus. This is a virus that results in diarrhoea and intestinal issues, which can cause fatalities in young calves and lambs. This outbreak occurred because the enterprise previously had not vaccinated against rotavirus (the owners of the farm tend to limit their use of vaccines on the livestock). However, after this outbreak, stock units with the virus were culled and the enterprise now regularly vaccinates against it (via intramuscular administration) to prevent future outbreaks. The local large animal veterinarian practice releases regular newsletters with advice about common animal health problems that arise in a given season, and include reminders for appropriate …show more content…
The farm operators were careful to avoid drenching when unnecessary as this can damage the animals’ health.
Large animal veterinarians assist the enterprise in a variety of ways. For example, they are able to give advice on preventing animal health issues, make diagnoses, prescribe medication and treat health problems as well as being able to aid a difficult calving or lambing. These services enhance both the welfare and production of stock, thus allowing the farm operations to be more cost effective and increase profit.
Young stock units remain with their mothers until weaning, after which they are fed above maintenance to allow for growth. When rearing orphan lambs, they are kept in a flat, high sheltered paddock located in the front of the farm house. This enables the young lambs to be kept under regular supervision, and to be highly accessible when needed. They are bottle fed colostrum 2-3 times a day until they are old enough to be weaned. During weaning they are put on sheltered, high quality
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This is done by skinning the dead calf and putting the skin over the new calf so it smells like the deceased calf, allowing it to be accepted by its new mother. The cow and calf are separated from the other cows to a paddock where they are not rotated as often to minimise stress and allow for frequent supervision. The calf is regularly injected with antibiotics and the skin is left on it for several days until it is determined that its new mother has accepted the calf and is capable of rearing it. This procedure aids both the calves of the multiple bearing cow and the mother of the dead calf as the multiple bearing cow may devote more resources to one calf and the second mother is allowed the opportunity to rear a calf, though this cow will be a future cull cow.
Shearing is carried out in February and August, whilst crutching occurs more regularly to prevent flystrike. During shearing, stock are mustered and drafted into pens, where they may then be sheared. It is believed that shearing pregnant ewes prior to lambing reduces complications. Shearing results in approximately 4kg of wool being yielded per unit of stock. Crutching is often carried out before units being sent to the abattoir, and is carried out at the same time as they are being weighed in a crush (which is operated by a

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