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Calf health
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1 Herd Health and Animal Husbandry, UCD School Veterinary Medicine, University College Dublin, Belfield, Dublin 4, Ireland
2 Department of Agriculture, Fisheries and Food, Regional Veterinary Laboratory, Coosan, Athlone, Co. Westmeath, Ireland
3 Centre for Veterinary Epidemiology...
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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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Bioavailability of rumen-protected methionine: Mepron® contains the highest metabolizable methionine content among commercially available products
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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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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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Two factors are key to determining a calf's health and survival during the first weeks of life - its immune system and its gut microflora. Research has shown that feeding Alltech's Bio-Mos to the calf's mother will support the development of the calf's immune system through improved colostrum quality. Feeding Bio-Mos to the calf itself will help directly to protect the intestine from scour-causing pathogens, which is highly effective in limiting diarrhoea...
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A case to be made for choline as a required nutrient for transition dairy cows
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Dr. Glenn Selk, Professor-Animal Reproduction Specialist Animal Science - Oklahoma State University, Stillwater, OK
Many new technologies have been made available to the beef industry over the last 50 years. Few technologies have the potential return on investment as do growth promoting implants for nursing calves. The term "implant" is used to refer to a group of products used in the cattle industry that increase rate of growth by placing an absorbable product under the...
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Some farmers use a tractor-mounted Global Positioning System (GPS) - a constellation of earth-orbiting satellites - to help determine how much fertilizer and herbicide to apply in a specific location in a field when combined with other information such as soil samples, moisture content, and weed density in a computer spreadsheet. It is also used to measure acreages and field slope, and identify field boundaries. One Oregon State University research...
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Septicemia and Neonatal Infection
Infection and septicemia are significant causes of morbidity and mortality in newborn animals. Calves require adequate colostrum for passive antibody protection, because maternal immunity is not transferred through the placenta. The amount of exposure to the infecting agent and the neonate's ability to modulate the infection through the immune system both affect the...
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Antibiotics and other growth promoting antimicrobials have been used as animal feed additives for over 45 years. The economic benefits to the animal producer include; improved feed conversion, reduced mortality, and greater resistance to disease challenge (Jukes, 1972; Guest, 1976; Hays, 1978). A review of the literature conducted in 1996 indicated that in 12,153 trials, the addition of antimicrobial growth promotants to the diet increased production 72% of the time (Rosen,...
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