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Mastitis in dairy cattle
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Introduction Mastitis is a well-recognized and costly disease of dairy cattle. Most farmers are well acquainted with traditional causes of mastitis such as Staphylococcus aureus and Streptococcus agalactia. The widespread adoption of standard mastitis control practices such as teat dipping, dry cow therapy, appropriate treatment, judicious culling and good milking preparation has allowed many dairy farmers to control contagious forms of mastitis....
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The letter from Burgt and colleagues (VR, April 30,2011, vol 168 p465) on behalf of the National Mastitis Group comprising of mastitis experts regarding ' quarter culling' for the welfare of cow, though late but pertinent. We also commented on this subject (VR, August 8, 2009, vol 165 p 183) that the suggestion of David Harwood and colleagues (VR, March 28, 2009,vol 164, p 407) is not only 'unethical but dangerous also at an operational dairy farm'. Now, the present authors...
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Introduction Profit centered dairy farms strive to maximize milk price and control costs. One way to control costs is by minimizing the rate of disease. The most costly disease of dairy cattle is generally considered to be mastitis. Mastitis can cause both clinical and subclinical disease. On many farms, subclinical mastitis is the most economically important type of mastitis because of the long-term effect of chronic infections on total milk...
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Take Home Messages Use of on-farm culture systems to direct mastitis therapy can result in reduced antibiotic usage & less discarded milk without changing the probability of achieving treatment success The accuracy of on farm culture is dependent on the ability of milking personnel to collect & process a sterile milk sample When performed properly, on farm culture systems are about 80% accurate. ...
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Introduction Mastitis is the most frequent and costly disease of dairy cattle. Losses due to mastitis can be attributed to both subclinical and clinical disease. Clinical mastitis losses are generally readily apparent and consist of discarded milk, transient reductions in milk yield and premature culling (Fetrow, 2000). Subclinical mastitis is considered the most economically important type of mastitis because of long term effects of chronic...
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Summary In this paper comparison of efficiency of commercially available antibiotic susceptibility test MASTiK ® with traditionally used Kirby-Bauer disk diffusion method in cow mastitis cases was described. Six samples of examined milk were chosen on a randomly basis. In the samples presence of following microorganisms was determined: Staphylococcus aureus , Escherichia coli ,...
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Baby It's Hot In Here - Heat Stress and Late Gestation Cows by Dr. Geoff Dahl, University of Florida
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Creating awareness about mastitis and its management is really a great service to small scale livestock farmers.
Mega dairy projects have their own effective strategy to keep their herd mastitis free while small scale farmer always suffer due to their ignorance and lack of capacity to understand this menace.
In Pakistan as per a survey 25% milking animals are affected by mastitis in one way or the other from clinical to acute mastitis.
This is really alarming figure....
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Coliforms and environmental streptococci were the most prevalent pathogens in clinical mastitis samples. The incidence of clinical mastitis in the first 100 days of lactation was significantly lower for the combination treatment than for the antibiotic treatment alone during both drought and rainy weather dry period. However, the reduction on incidence of clinical mastitis was significantly higher during rainy weather dry period (63.26%), compared with the drought weather dry...
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New intramammary infections are frequent during dry period. Incomplete or delayed formation of keratin plug in the streak canal has been proposed as risk factors for new intramammary infections. A significant number of intramammary infection acquired during the dry period are likely to develop mastitis in the subsequent lactation. The objective of this study was to determine the effect of infusing with an internal teat sealant at dry-off used as an adjunct to long-acting...
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Introduction In reality, each country or even regions of countries have very different dairy industries. Consider the difference between milking setups on the US Midwest compared to California. The emphasis on mastitis prevention and control vary greatly as does the economic value of the milk products. Public health concerns also vary as does the interest in milk quality. Therefore, principle-based mastitis...
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The aim of this study was to detect subclinical mastitis in bovine and to find out the most appropriate antibiotic for its treatment. For this purpose, 500 apparently healthy animals (cattle and buffaloes) were selected for screening tests. Two different tests, Surf Mastitis tests (SMT) and Somatic Cell Count (SCC) were used. Milk samples declared positive by both of the above mentioned tests, were subjected to culture sensitivity test. Six different antibiotics...
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Virginia Cooperative Extension, Virginia Tech, Virginia State University.
Mastitis occurs when the udder becomes inflammed because leukocytes are released into the mammary gland in response to invasion of the teat canal, usually by bacteria. These bacteria multiply and produce toxins that cause injury to milk secreting tissue and various ducts throughout the mammary gland. Elevated leukocytes, or somatic cells, cause...
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1. Introduction Adequate mineral nutrition may be used as a strategy to optimize immune system function by the reduction of metabolic and oxidative stress; and therefore it may have a positive effect on the defense mechanisms of mammary gland against mastitis (Weiss and Wyatt, 2002). Zn, Cu and Se supplementation has been associated with higher antioxidant capacity of superoxide dismutase...
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Baby It's Hot In Here - Heat Stress and Late Gestation Cows by Dr. Geoff Dahl, University of Florida
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To overcome an outbreak of clinical mastitis or to control a high SCC level the following approach has proved very successful. 1. Stop spread of infection i.e. pre spray and dry wipe, wear gloves and spray gloves regularly, disinfect clusters between milkings by dipping clusters in per acetic acid solution. 10mls of serpent to 2 gallons of water and change after 10 dips. 2. Cell count all cows every 3 weeks for 3 times. 3.Carry out...
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By definition Mastitis is inflammation of the mammary gland.
In the present state of knowledge it seems practicable and reasonable to define mastitis as a disease characterized by the presence of a significantly increased leukocyte count in milk from affected glands. The Mastitis Committee of the Australian Veterinary Association defined the nature and causes of mastitis as Mastitis is an inflammation of udder and as such is a disease complex resulting from any...
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