Periparturient stress and immune suppression as a potential cause of retained placenta in highly productive dairy cows. It is unclear why some cows fail to expel the placenta following. Retained placenta in cattle most cows will pass the afterbirth placenta, cleansing or calf bed. Metabolic and mineral conditions of retained placenta in highly.
If greater than 7% of the calving population is experiencing retained placenta, an investigation with your veterinarian should be conducted to find the source or cause of the retention. Retained placenta is most commonly associated with dystocia, milk fever metabolic diseases and twin births. The cows were divided in six groups n 25, depending on hormonal treatment and placenta status. Cattle with retained placenta should be monitored closely. Pdf nutritional management to prevent retention of. Role of micronutrients in bovine periparturient problems. Retained placenta in cattle most cows will pass the afterbirth placenta, cleansing or calf bed within 6 hours of calving. When the cow stands and walks, the contaminated tissue is pulled back into the uterus. If the placenta is retained longer than this, the condition is classified as retained placenta or. Vitamin and mineral deficiencies can impair general immunity. The brownish foul smelling discharge in the uterus was lavaged with 0. Flow diagram showing the cows affected with retained placenta, randomization of cows with retained placenta, reasons for excluding cows from analyses and cows completed study for statistical analysis.
Periparturient stress and immune suppression as a potential cause. But if after eight to 12 hours the placenta has not been released, she has what is know as retained placenta. For example, when the cow lies down, the placenta hangs further out of her body and touches dirty stalls and corrals loaded with bacteria. Serum visfatin is a predictive indicator of retained placenta and other diseases in dairy cows retained placenta rp, defined as fetal membranes not being.
If the placenta is retained longer than this, the condition is classified as retained placenta or retained foetal membranes rfm. Milk fever, even in its subclinical form needs to be controlled. In most herds with good management these causes make up the majority of known risk factors for retained placenta. When a cow calves, she will drop her afterbirth within 30 minutes to eight hours. Infections that arent cleared up will cause cows to either conceive later or become infertile. A placenta is considered retained if not expelled after 24 hours. Retained placenta is one of the problematic reproductive has long been. The single sign associated with rp is degenerating, discoloured, ultimately fetid membranes hanging from the vulva. If the placenta has not been released after 12 hours, the cow will have a condition known as retained placenta rp. Decreased neutrophil function as a cause of retained placenta in. Retained placentas require treatment to prevent infections.
The control of retained placenta needs to focus on the control of causative factors like abortions, premature calving, calving difficulties, and vitamin and mineral deficiencies. Causes and treatment of retained placenta in dairy cows. Effects of different amounts of supplemental selenium and vitamin. Economic impact of retained placenta in dairy cows scielo. Retained placenta in cows may have multifactorial aetiology, but in herds which are free from infectious diseases, the most important reasons are. Your best tool is your thermometer, observation of the cow in the parlor, and at the feed bunk.
Reproductive performance data from 1169 calvings of dairy cows for five consecutive years spanning from 2014 to 2018 were used in this study. Milk fever and even subclinical calcium deficiency can be associated with an increased risk of rfm zhang et al. The incidence of retained placenta rp in cows increases in cases of. Intrauterine antibiotics used in the treatment of retained placenta should have high activity against li and be free of irritating properties. If one of your cows retains her placenta, do not manually remove the fetal membrane. Cows with retained fetal membranes are at increased risk of developing metritis, ketosis, mastitis, and even abortion in a subsequent pregnancy.
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