Exeter, United Kingdom
Exeter, United Kingdom
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Cooper R.L.,EBVC Ltd
Cattle Practice | Year: 2014

Placental retention is a common disease of periparturient dairy cows. Despite being well recognised, the exact aetiologies have not been fully elucidated. There is strong evidence of involvement of immune, hormonal and mechanical components in the pathogenesis of the disease, and in most cases more than one of these components contributes. Increased risk of retained placenta has been associated with reproductive disease including dystocia, Caesarean section, abortion, stillbirth and twinning, as well as other periparturient disease such as hypocalcaemia, negative energy balance and micronutrient deficiency. Major histocompatibility complex compatibility between the dam and calf also increases risk. Prevention should focus on responsible breeding programmes and control, where possible, of associated risk factors. Best practice for the treatment of individual animals remains contentious, but a targeted systemic antimicrobial therapy of only those animals demonstrating pyrexia or systemic illness is an approach supported by the research. Manual removal of foetal membranes has little evidence to support its efficacy and may well be detrimental to animal health.

Husband J.,EBVC Ltd. | Burnell M.,EBVC Ltd. | Plate P.,EBVC Ltd. | Blake M.,EBVC Ltd. | Chamberlain T.,EBVC Ltd.
Cattle Practice | Year: 2013

A case controlled study on the metabolic disturbances associated with LDAs in the first month of lactation showed that the LDA group experienced paradoxical aciduria, reduced K status, reduced Mg status, reduced Ca status, greater NEB and a worse hydration status compared with the control group.

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