D 6—Lancaster Farming, Saturday, Novtmber 15,1980 Maryland has new to fight mastitis COLLEGE PARK, Md. - Mastitis is the most costly disease in the dairy industry. The National Mastitis Council estimates the economic loss is $2 billion yearly. Maryland alone loses |23.5 million per year The largest cost to the dairyman is in lost milk production, says Robert R. Peters, extension dairyman at the University of Maryland. He estimates that 10 to 15 percent of production potential is never achieved because of subchmcal mastitis This type of mastitis accounts for over 90 percent of mastitis cases. Subcluiical mastitis is practically impossible to diagnose without testing the cow’s milk. The milk and udder of infected cows ap pear normal; therefore, dairymen assume these cows are healthy and producing at their highest. The National Mastitis Council estimates that 40 to 50 percent of the cows in a typical herd are infected with mastitis. The average cow with subclinical mastitis produces 12.5 percent less milk, a |294 loss per infected cow (using current milk prices of |13.05/cwt* and average milk production of 15,000 Ib/cow/year). In a 40 cow herd, for example, the dairyman loses >5,292 per year without realizing it. selecting ■ Standby Power System for any industrial application. Katolight Standby Power Systems have a proven record of dependable operation throughout the world. Kitolight Corporation offers a variety, of models to select from ranging in size from 2 KW to 1400 KW, gasoline, natural gas, liquefied petroleum gas or diesel fueled, 50, 60, or 400 HZ, 900 to 3600 RPM, with voltages from 12 VOCto 6600 VAC. Ketolight Control Systems provide instant response or any desired H SYCAMORE IND PARK 255 PLANE TREE DRIVE V\ \ SystetTO /y/ UNCASTER, PA 17603 HEY EQUIPMENT (717)393-5807 COMPANY, INC. Route 30 West At i The Centerville Exit Maryland Dairy Herd Improvement Corporation now offers a new option to assist dairymen in managing udder health. The somatic cell count program, Peters says, is designed to initially established the extent of mastitis infections in a herd and later to serve as a constant monitor ,oi each cow’s udder health. The program costs 12 cents per sample per month and has been operating in Maryland since October 1. A herd with 40 cows would pay $19.20 per month to use the SCC program. This is a small amount when com pared with the $5,292 losses from subchmcal mastitis, Peters says. - The SCC measures the number of body cells found in milk from individual cows. The two major types of somatic (body) cells found in milk are epithelial cells (sloughed secretory cells from the mammary gland) and leucocytes derived from blood. Leucocytes are present in milk to help the mammary gland fight against mastitis or other infection. Normal milk contains less than 300,000 somatic cells per nuliliter. If the udder is injured or infected, the somatic cell count increases dramatically. A high SCC would indicate failure Many combinations of safety features, remote start, automatic trans fer, phase selection, and others are obtainable through the control system. Optional equipment . . like special fuel systems, weather proof housings, remote 'radiators, audible warning systems, battery' chargers and more can be mcludeo to perform the neces sary tasks of your specific application. When you need reliability in a Standby Power System, contact the Engine Generator Set people . . . contact Katolight Corporation. tool that a problem has developed in the herd management. However, a particular SCC value will not identify the mastitis problem Peters recommends the following for a sound mastitis control program: Proper installation, use and maintenance of milking equipment and at least an annual inspection by a qualified person. 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