{"id":376,"date":"2018-07-31T12:40:02","date_gmt":"2018-07-31T19:40:02","guid":{"rendered":"http:\/\/blogs.oregonstate.edu\/dairy\/?p=376"},"modified":"2018-07-31T12:40:02","modified_gmt":"2018-07-31T19:40:02","slug":"strategies-for-reducing-mastitis-in-fresh-heifers","status":"publish","type":"post","link":"https:\/\/blogs.oregonstate.edu\/dairy\/2018\/07\/31\/strategies-for-reducing-mastitis-in-fresh-heifers\/","title":{"rendered":"Strategies for reducing mastitis in fresh heifers"},"content":{"rendered":"<p>Are too many heifers on your farm showing up with mastitis early in that first lactation? You may want to examine your prevention strategies. A review paper that examined the effectiveness of various precalving treatments in heifers was published earlier this summer. Here are the key take-a-ways:<\/p>\n<figure id=\"attachment_377\" class=\"wp-caption thumbnail alignright\" style=\"width: 300px;\">\n    <img loading=\"lazy\" decoding=\"async\" class=\"wp-image-377 size-medium\" src=\"http:\/\/blogs.oregonstate.edu\/dairy\/files\/2018\/07\/nearly-fresh-heifer-for-heifer-mastitis-prevention-300x225.jpg\" alt=\"developing udder on a Jersey heifer\" width=\"300\" height=\"225\" \/>\n    <figcaption class=\"wp-caption-text\">She\u2019ll be in the parlor soon.<br \/>photo: Spirited Rose Homestead Dairy Farm<\/figcaption>\n    <\/figure>\n<ul>\n<li>When the infection is caused by contagious bacteria (e.g., <em>Streptococcus agalactiae<\/em>, <em>Staphylococcus aureus<\/em>), antibiotics, teat sealants, and vaccines can improve udder health outcomes.<\/li>\n<li>Particularly if you are considering using antimicrobial treatments, culture quarter milk so you know who the enemy is. We want to minimize the development of antibiotic resistance.<\/li>\n<li>When environmental pathogens (e.g., <em>Escherichia coli<\/em>, non-<em>agalactiae<\/em> streptococci) are the problem, teat sealants and combination therapies are effective at reducing mastitis risk.<\/li>\n<li>When coagulase-negative staphs (CNS) are infecting heifer udders, antibiotics, teat-sealants, and combination therapies offer the most help.<\/li>\n<li>When employing any of these treatment options, be sure they are delivered by a well-trained person.<\/li>\n<li>On farms with effective fly control and that minimize stress for late-gestation heifers, there may be little benefit from preventative medical treatment.<\/li>\n<\/ul>\n<p>The paper: Naqvi, Nobrega, Ronksley, &amp; Barkema. June 2018. Effectiveness of precalving treatment on postcalving udder health in nulliparous dairy heifers: A systematic review and meta-analysis. <a href=\"https:\/\/www.journalofdairyscience.org\/article\/S0022-0302(18)30224-8\/fulltext\"><em>Journal of Dairy Science<\/em> 101:4707-4728<\/a>.<\/p>\n<p>Another good resource is the National Mastitis Council\u2019s <a href=\"http:\/\/www.nmconline.org\/wp-content\/uploads\/2018\/04\/NMC-Factsheet-Heifer-Mastitis-and-Control.pdf\">Heifer Mastitis Prevention and Control Plan<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Are too many heifers on your farm showing up with mastitis early in that first lactation? You may want to examine your prevention strategies. A review paper that examined the effectiveness of various precalving treatments in heifers was published earlier this summer. Here are the key take-a-ways: When the infection is caused by contagious bacteria&hellip; <a href=\"https:\/\/blogs.oregonstate.edu\/dairy\/2018\/07\/31\/strategies-for-reducing-mastitis-in-fresh-heifers\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":8137,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[1139753,1185811],"tags":[1185823,74982,522472],"class_list":["post-376","post","type-post","status-publish","format-standard","hentry","category-healthwelfare","category-milking","tag-heifers","tag-mastitis","tag-prevention"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/blogs.oregonstate.edu\/dairy\/wp-json\/wp\/v2\/posts\/376","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.oregonstate.edu\/dairy\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.oregonstate.edu\/dairy\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.oregonstate.edu\/dairy\/wp-json\/wp\/v2\/users\/8137"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.oregonstate.edu\/dairy\/wp-json\/wp\/v2\/comments?post=376"}],"version-history":[{"count":4,"href":"https:\/\/blogs.oregonstate.edu\/dairy\/wp-json\/wp\/v2\/posts\/376\/revisions"}],"predecessor-version":[{"id":381,"href":"https:\/\/blogs.oregonstate.edu\/dairy\/wp-json\/wp\/v2\/posts\/376\/revisions\/381"}],"wp:attachment":[{"href":"https:\/\/blogs.oregonstate.edu\/dairy\/wp-json\/wp\/v2\/media?parent=376"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.oregonstate.edu\/dairy\/wp-json\/wp\/v2\/categories?post=376"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.oregonstate.edu\/dairy\/wp-json\/wp\/v2\/tags?post=376"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}