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Dairy cattle diseases
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Respiratory disease is the second leading cause of death losses (scours is the first) in un-weaned heifer calves. Respiratory problems have increased by 34 percent in the last 20 years, causing nearly 21 percent of all newborn calf losses (NAHMS 2007). Heifers that survive continue to perform poorly as adult cows. In order to prevent this costly problem, it is important to address both determinant and predisposing causes. PREDISPOSING CAUSES...
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1 Herd Health and Animal Husbandry, UCD School of Agriculture, Food Science and Veterinary Medicine, University College Dublin, Belfield, Dublin 4, Ireland 2 Animal and Grassland Research and Innovation Centre, Teagasc Moorepark, Fermoy, Co. Cork, Ireland 3 Animal and Bioscience...
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INTRODUCTION Scabies is one of the skin diseases in animals and humans. This disease is caused by a mite known as common itch mite (Sarcoptes scabiei L.). Scabies is a widely spread and a highly contagious disease throughout the world (Burgees, 1994). There are several types of this disease such as classical scabies, Norwegian scabies, and clean scabies. However, classical scabies is very common in people and animals in Pakistan and many other...
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Introduction The abscesses disease is a syndrome characterized by a specific caseous lymphadenitis which the incriminated agents are multiple: Corynebacterium pseudotuberculosis, Staphylococcus aureus subsp. anaerobius (micrococcus of Morel) and Arcanogeum pyogenes (Boukerrou et al., 1985; de La Fuente et al., 1995; Figueroa and Maier, 2007). The disease is encountered most often in sheep, goats and other animals. It was described in several...
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Scientists in northern Europe are scrambling to learn more about a new virus that causes fetal malformations and stillbirths in cattle, sheep, and goats. For now, they don't have a clue about the virus's origins or why it's suddenly causing an outbreak; in order to speed up the process, they want to share the virus and protocols for detecting it with anyone interested in studying the disease or developing diagnostic tools and vaccines. The virus, provisionally...
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Dear members, I found the following top story on asian-agribiz.com: India is soon to introduce a law requiring livestock producers to strictly follow a withdrawal period in antibiotic use in feed in an attempt to make meat, milk and eggs free from antibiotic residue. Amit Sachdev, India Representative of the US Grains Council told Asian Agribusiness Media that the law will take effect within the next few months. The Ministry of...
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The dairy cow's immune system and clinical health respond to constantly changing stresses and disease challenges. The stresses and disease challenges include parturition, weather, disease, farm management, quality of feeds, feed ingredients and forage, etc. When the stress and disease challenge level is above the threshold that a cow can handle, clinical symptoms will occur. However, if stress and disease management technologies are employed on a daily basis, it...
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Bovine respiratory disease (BRD) is the most significant health problem of the beef industry which affects the lower respiratory tract / lungs or upper respiratory tract. It can manifest when cattle stress levels are raised due to weaning, shipping, processing, adverse weather, and overcrowding and this compromises the defense mechanisms of the immune system. Since it is always more convenient to focus on prevention than treatment, BRD vaccines are...
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Evonik Animal Nutrition
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Researchers at the University of Copenhagen (formerly The Veterinary and Agricultural University of Copenhagen, Denmark) have spent more than 10 years developing an effective method of curing calcium deficiency in calving cows. Zeolite has proved to strengthen cows´ own defences against milk fever and provide for more stable milk production. A water softener showed the way Strange...
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Abstract Dermatophytosis (ringworm), an infection of the superficial keratinized structures of the skin and hair, is the most common contagious skin disease in cattle. The infectious diseases caused by dermatophytes are mainly related to the enzymes product by these fungi. Conversely, elements such as zinc and selenium are involved in the regulation of immune responses to infection. There are rare reports...
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ABSTRACT
Random sampling of milk, sera and synovial fluid from 100 cattle in a farm with a history of retained placenta, abortion and arthritis and hygroma was investigated. All milk and sera samples were subjected to various Brucellosis diagnostic tests. Culture study was carried out with aspirated synovial fluid and the culture growth was examined. Further, intense study of the farm animals revealed that...
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Abstract The objective of this work was to evaluate hematological, biochemical and ruminant parameters for diagnosis and treatment of the left displaced abomasum (LDA) in dairy cows, in the Plateau Region of Rio Grande do Sul, Brazil. Ruminant fluid, blood and urine samples were collected from 20 cows suffering LDA and from 20 healthy cows (control). The cows with LDA showed lower values of daily milk production, body weight and corporal...
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Can ammonia overload (urea 1.4% and CP 25% of DM) from a high protein diet cause temporary and permanent damage to dairy cows (other than lowered fertility)? ...
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In the March 2010 issue of The Veterinary Clinics of North America Food Animal Practice, authors Dr. Patrick Gorden and Dr. Paul Plummer review the biosecurity programs that should be implemented for young calves.
Here's a quick review of the "inconvenient truths" about pneumonia in pre-weaned calves: 1. Newborn calves acquire immunity to disease from colostrum, and, except in limited, specific...
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Introduction The multitude of disorders that dairy cows face during the transition to lactation is a perennial source of concern for dairy producers, nutritionists, and veterinarians. Total disease incidence in the several weeks after parturition accounts for a substantial proportion of all morbidity on many dairies (Ingvartsen, 2006), with particularly high rates of mastitis, metritis, milk fever, displaced abomasum, ketosis, and...
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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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Evonik Animal Nutrition
Analyze over 40 different feed raw materials with AMINONIR® Portable | Evonik
How can TB (Tuberculosis) be detected in herds? ...
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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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Anaplasmosis is a vector-borne infectious, hemolytic, rickettsial disease of cattle, sheep, goats, and other wild ruminants. In Cattle the most common etiological agent is Anaplasma marginale, while cattle also are affected with Anaplasma caudatum, which may result in severe disease and Anaplasma centrale generally resulting in mild disease. An anemia results from extra-vascular hemolysis when parasitized red blood cells (RBC's) membranes are altered and...
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An Unidentified disease characterized by hypersensitivity, incoordination, a peculiar stiff-legged gait of the hind legs, severe generalized tumors of the skeletal muscles, progressive paresis, paralysis and constipation and death was reported in a cattle herd of 82 in Kathmandu valley which was maintained in moldy rice straw feeding. The most notable gross pathological lesions in one bull and two cows which died were degenerative and necrotic changes in...
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