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Improve milk quality and economic gain with U of I Somatic Cell Count Calculator
July 12, 2016
Source: Phil Cardoso, 217-300-2303, firstname.lastname@example.org
News Writer: Leanne Lucas, 217-244-2862, email@example.com
· Mastitis is the most prevalent disease in cows in the top dairy-producing states.
· New calculator allows producers to identify cows in herd that contribute the highest percentage to the bulk tank somatic cell count (SCC).
· Key aspect of calculator allows user to view the differences between bulk tank values with and without high SCC cows.
URBANA, Ill. – Dairy researchers at the University of Illinois developed a new tool to help dairy producers maximize their profit and improve milk quality. The Dairy Focus Somatic Cell Count (SCC) Calculator allows producers to analyze their test day milk numbers and take appropriate action regarding somatic cell count.
“The main goal of the SCC calculator is to assist dairy producers in making management decisions on an individual herd level,” says Phil Cardoso, a professor in animal sciences at Illinois. “This will improve overall health and decrease economic losses due to mastitis. Making these beneficial management decisions may then allow the dairy to improve milk quality and dairy efficiency, all while increasing overall economic gain.”
The goal of most dairy producers is to maintain a healthy herd while maximizing economic efficiencies. Mastitis is the most prevalent disease that restricts producers from achieving this goal. In 2014, a survey from the National Animal Health Monitoring System showed that roughly 24.1 percent of all cows in the top 17 dairy-producing states suffered from some either clinical or subclinical mastitis. It is estimated that the U.S. dairy industry loses roughly $1 billion in total milk revenue and about $110 per cow annually from production losses due to mastitis.
“Most milk cooperatives award producers with incentives for reaching higher milk quality,” Cardosa says. “If a dairy producer is not receiving a milk quality bonus due to high SCC cows, they could be losing out on a substantial amount of increased income. Most producers are aware of their bulk tank SCC. What they lack is a way of determining how much monetary loss is incurred by not receiving a milk quality bonus. The Illinois dairy focus team has developed a solution to this problem.”
The SCC calculator allows producers to identify cows in the herd that are contributing the highest percentage to the bulk tank SCC. The calculator also identifies cows that have chronic or new cases of mastitis by sorting cows by highest current and previous test day SCC.
“Not only is the user able to find problem cows,” says Cardoso, “but they are also able to see the benefits that would result from removing certain cows from the herd by viewing the economic gains table. This key aspect of the calculator allows the user to view the differences between bulk tank values with and without high SCC cows. These values are influenced by the bulk tank milk amount, bulk tank SCC, current milk price, and milk quality bonuses per hundredweight if an SCC parameter is achieved when a cow is removed. The table gives the producer an actual figure for the amount of money they are missing out on by keeping certain cows in the milking string instead of using their milk for alternate purposes and receiving a milk quality bonus.”
The Dairy Focus Somatic Cell Count Calculator is easy to operate and free to download. There are versions currently available for DairyComp 305 and PCDart, as well as a version for dairy producers who prefer to enter their data manually. Users can visit www.dairyfocus.illinois.edu and click on the ‘Tools’ page to download the calculator. An instructional video is available (http://go.illinois.edu/SCC_Calculator) that shows users how to import data from their management program, and gives the user beneficial information on how to use the calculator to analyze their herd and assist in making critical management decisions.
Local Contact: Gary Letterly, Extension Educator, Energy and Environmental Stewardship, firstname.lastname@example.org