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Dairy cattle health
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Background Mycobacterium avium subsp. paratuberculosis (MAP) is a slow-growing bacterium that causes Johne’s disease, a wasting disease in ruminants and other animals. A common test for Johne’s disease is the serum antibody ELISA test which monitors the humoral immune response of the animal following MAP exposure. However there are well known limitations of this test, for example the sensitivity can be...
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Dear All Hi Kindly share your suggestion that suggested FMD vaccination schedule for dairy animals is two times in a year.but many time observed that animal get clinically affected even after FMD vaccination although after taking all care regarding dosing and cold chain as well.now the question arises that can we suggest to apply vaccine thrise a year or required booster vaccination for the same, where as FMD vaccine provides immunity upto 6 month. Waiting your...
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INTRODUCTION Adequate rest has been positively associated with productivity, health, and welfare of dairy cattle. When access to stalls is restricted, cows prioritize lying down over feeding (Munksgaard et al., 2005), and preventing cows from lying down induces stress (Cooper et al., 2008). As a consequence, measures of lying behavior, such as the daily duration and the frequency and duration of lying bouts, is a measure of cow comfort (Haley et al., 2001; Rushen et al.,...
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Cold weather is not just hard on the people taking care of animals, it can be tough on the animals themselves. Consider respiratory disease (pneumonia) in dairy calves. It’s not just our imagination that cold temperatures often bring with them...
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Dr. Scott McDougall explains how the smartphone app "Bovine Mastitis Cure Calculator" allows herd owners and veterinarians to estimate the cure rate of clinical mastitis cases....
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Benefits of Mitigating Heat Stress in Dairy Cows - Dr. Lance Baumgard, Iowa State University
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Dr. Jon Huxley (University of Nottingham) talked about claw horn lesions, causes, and findings in recent researches, during the International Conference Lameness in Ruminants 2015 in Valdivia, Chile....
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Introduction The transcriptome is the momentary sum of all DNA transcribed in a cell. Classically, the transcriptome included the measurement of each of the ribosomal RNA, messenger RNA (mRNA), and transfer RNA. These include a relatively small portion of the whole genome.1 The rest of the DNA was considered, until recently, not to be transcribed.1 The accumulation of data in the last decade or so has provided vast...
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Background Water is the most important nutrient for calves and plays an important role as solvent of nutrients, rumen development, thermoregulation and other functions in the body. In addition other researchers found that calves started feed consumption earlier and consumed more when unlimited access to clean drinking water is available. Generally, water comprises 70 to 75% of the weight of the calf, and they require greater...
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Escherichia coli bacteria are a major cause of clinical coliform mastitis in dairy cattle. Uncontrolled bacterial replication caused by dysfunctional immune responses results in severe mammary tissue damage and death. Excessive production of reactive metabolites (RM) by phagocytic cells results in oxidative mammary tissue damage observed during coliform mastitis. Increased metabolism of polyunsaturated fatty acids (PUFA) such as arachidonic acid (AA) generates...
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1. Introduction Endoparasitic nematodiasis are considered as one of the main factors seriously affecting the livestock industry, since they cause an important reduction not only in the animal weight but also their main products; that is, meat and milk are also diminished [1]. Other problems derived from nematode parasitic infections are the continuous expenses in chemical treatments and eventually the death of young...
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The Dairy Focus Team at the University of Illinois at Urbana-Champaign has developed the Dairy Focus Somatic Cell Count Calculator, which allows producers to analyze their test day milk numbers and take appropriate action regarding somatic cell count. The main goal of the Dairy Focus Somatic Cell Count Calculator is to assist dairy producers in making management decisions on an individual herd level, which will improve overall health and decrease economic losses due to mastitis. Making these...
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Benefits of Mitigating Heat Stress in Dairy Cows - Dr. Lance Baumgard, Iowa State University
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Dr Jean-Philippe Marden, Director at The Farm - Phileo Lesaffre Animal Care, talks to us during Phileo's Global Ruminant Symposium on Health & Management in Toulouse, France....
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This short animation outlines the relevance of “sub-clinical hypocalcemia” in dairy cows and how X-Zelit works to solve this issue.
www.xzelit.com...
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How heifers are managed at first breeding (1st breeding) represents a significant economic opportunity on many dairies. DairyComp305 records from four free-stall Holstein dairies in the Central Valley of California show how first breeding selection criteria impact first lactation (1st lactation) and subsequent reproductive performance. Our California Dairies 1, 2, 3, and 4 illustrate how...
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Introduction Preventing the spread of PRRS virus (PRRSv) between groups of pigs is a major goal of pork producers. Many hog operations utilize liquid disinfectant boot baths as a part of biosecurity protocols aimed at minimizing the spread of PRRSv. Several problems arise from the current use of liquid disinfectant boot baths including their effectiveness following contamination with fecal matter and in freezing...
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Vilofoss presents Green Agron, a hoof care product that can be dissolved in hoof baths and/or sprinkled on walking areas....
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US -The state of California has passed a law restricting the use of antibiotics in livestock production – outlawing their use as growth promoters and feed efficiency enhancers.
The new law, which was introduced in December 2014, was passed by both the Californian Senate and Assembly last month.
It is now awaiting the final signature of the state governor Jerry Brown...
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Benefits of Mitigating Heat Stress in Dairy Cows - Dr. Lance Baumgard, Iowa State University
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Oxidative stress is a normal occurrence during the immune system’s inflammatory response to infection or injury. Inflammation plays a vital role in the body’s response to pathogens and tissue damage. However, considerable evidence now points to oxidative stress from chronic inflammation as a contributing factor in a number of health and production disorders in cattle. Research suggests that oxidative stress in dairy...
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Cattle constitute one of the major livestock species and an important economical factor in many countries. The world cattle population is estimated at 1.5 billion animals, more than 1 billion of them in tropical and subtropical countries. There, they are heavily exposed to numerous internal and external parasites, which drastically affect their well being as well as their productivity. Infectious diseases also play an important economical role in cattle. This paper discusses important...
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