Livestock 17.1 E-Edition

In his case report Nick Bell reviews the incidence of lameness in a dairy herd. The use of an automatic lameness detection system to monitor the prevalence of lameness is discussed. A shift in disease pattern towards digital dermatitis and sole bruising was detected. Analysis of the data showed this was due to a more proactive approach to disease detection by a new herdsman.

The DairyCo Mastitis Plan is used to categorise mastitis into mainly dry period origin or lactation period origin. Mastitis can be further categorised into contagious or environmental in origin. In this study Julia Moorhouse uses the DairyCo plan to identify the predominant cause of mastitis in a herd with a high incidence of clinical mastitis.

Investigate a cow with dyspnoea three days post calving in this interesting self assessment with Phil Scott.

In practice abortion investigations are often inconclusive, partly due to the autolysed state of the foetal material but also the constraints put on the scope of the laboratory investigation. In this case, Richard Murray and Oliver Hodkinson investigate abortions in a commercial dairy herd and describe the importance of a full histopathological investigation alongside serology to determine the infectious causes of abortion.

In his article, James Hanks looks at the SCC and four other related parameters to assess how each parameter correlates with the herd SCC.

In some flocks the ewe mortality rate from Johne’s disease is between 2% - 5%. In his article Phil Scott reviews the aetiology and clinical signs of the condition.

In the final article in the series on porcine respiratory disease complex, Mark White discusses the principles of disease control through management and pharmaceutical treatments.

Site Breadcrumb

• Home
• Livestock
• Livestock E-Editions
• Livestock 17.1 E-Edition