{"id":1099,"date":"2019-05-26T13:32:25","date_gmt":"2019-05-26T13:32:25","guid":{"rendered":"https:\/\/uniag.coop\/2019\/05\/26\/boiterie-chez-la-vache\/"},"modified":"2020-11-26T15:37:57","modified_gmt":"2020-11-26T20:37:57","slug":"dairy-lameness-refresher","status":"publish","type":"post","link":"https:\/\/uniag.coop\/en\/animal-production\/dairy-lameness-refresher\/","title":{"rendered":"Dairy Lameness Refresher"},"content":{"rendered":"An Interview with Dr. Andr\u00e9 Clavet\r\nDr. Clavet recently conducted a producer workshop in St. Albert focused on lameness in dairy herds. He is a partner in LocoVet, a veterinary practice in Rimouski, Que and he specializes in lameness and corrective\r\nhoof trimming.\r\n\r\n<strong>1. What is the strongest lameness challenge in today\u2019s dairy barns: :<\/strong>\r\n<ul>\r\n \t<li>a. In tie stall barns?\r\nDr. Clavet: Interdigital Dermatitis, more than stable footrot<\/li>\r\n \t<li>b. In freestall barns?\r\nDr. Clavet: Strawberry Footrot<\/li>\r\n \t<li>c. Pack barns?\r\nDr. Clavet: Interdigital Dermatits. It tends to be easier to control lameness in a pack barn but it is dependent on amount of bedding, stocking density and moisture level of the pack.<\/li>\r\n<\/ul>\r\n<strong>2. What is the best treatment for a cow with a sole ulcer?<\/strong>\r\n\r\nDr. Clavet: The main idea is to remove the pressure under the lesion. If you cannot do it by trimming, the best treatment is a block on the opposite claw. The block should be removed after 3 weeks.\r\n\r\n<strong>3. What is your preference, wood blocks or plastic blocks?<\/strong>\r\n\r\nDr. Clavet: Wood blocks stay in place better and are easier to shape to the angle of the foot .\r\n\r\n<strong>4. Do you have any advice to help keep the blocks glued on?<\/strong>\r\n\r\nDr. Clavet: The bottom surface of the hoof should be clean and dry. Using a glue intended for hoof blocks should be used and drying the glue with a hair dryer or heat gun will help. If using a heat gun, be cautious not to overheat the glue. Extra time for the glue to dry is always helpful.\r\n\r\n<strong>5. When would you recommend to bandage wrap a hoof?<\/strong>\r\n\r\nDr. Clavet: After trimming an infectious condition like digital dermatitis or strawberry footrot. Including tetracycline powder in the wrap can also be helpful. The wrap should be removed after 24 to 48 hours. A bleeding ulcer could also be wrapped but again, removed after 24 hours. There is no advantage to wrapping a non-infectious foot condition like heel erosion or white line disease. Check with your veterinarian if there is more than 30% of the herd needing wraps using tetracycline. There may be milk and meat withdrawl times that would have to be respected. There may be milk and meat withdrawl times that would have to be respected. There is zero tolerance for that antibiotic and it is easily detectable in milk.\r\n\r\n<strong>6. What is your recommended foot bath protocol?<\/strong>\r\n\r\nDr. Clavet: Any commercial product or copper sulfate is acceptable as long as it is mixed in the proper concentration. It is also very important to manage the bath well by replacing the solution and water regularly. Commercial products have a suggested concentration and maximum number of passes. Copper sulfate foot baths should be a 5 to 10 % concentration and changed after 200 passes or 24 hours. Foot baths should be 10 feet long and with side panels in place to make sure the 4 feet step in the solution. Formaldehyde is an inexpensive product but the dangers and health risks to humans make it an undesirable option in a dairy barn.\r\n\r\n<strong>7. Your recommended individual \u2018spray on\u2019 treatment protocol?<\/strong>\r\n\r\nDr. Clavet: There are also commercial products that work well to individually treat cows. If you choose to use a tetracycline product to spray on individual hoof lesions, contact your veterinarian for maximum dosages and milk &amp; meat withdrawls. Proper application and frequency of treatments are the key to controlling hoof lameness with a spray on product.\r\n\r\n<strong>8. From first calving to the next calving, when would you like to see a cow for a routine trim?<\/strong>\r\n\r\nDr. Clavet: Cows and heifers should be always trimmed at least 2 weeks prior to calving and again at 125 to 150 days in milk. Cows hooves should be trimmed BEFORE entering the transition phase of the gestation cycle. A cow should never be trimmed during early lactation since she is in a negative energy balance and losing weight and fat. This means the fat pad in the foot is thinning which make the cow more susceptible to hoof lesions. A growing heifer should also be trimmed at breeding age to keep the 3 bones of the foot in proper position and at the correct angle to increase longevity in the herd.\r\n\r\n<strong>9. What type of disc would you choose for your grinder?<\/strong>\r\n\r\nDr. Clavet: When starting to trim your own cows, a granular disc is best to avoid over aggressive hoof removal. To progress to a chipper wheel, a 5 blade chipper wheel should be used. A 3 blade chipper wheel may be too aggressive. Three blades remove larger chips of the hoof with each pass. Caution should always be taken to not trim off too much hoof or heating up the foot. The outside hoof wall should be not be cut back.\r\n\r\n<strong>10. How often would you trim a corkscrew hoof?<\/strong>\r\n\r\nDr. Clavet: A corkscrew hoof would need at least 4 routine trims a year to contain excessive hoof growth.\r\n\r\n<strong>11. What is the best freestall alley surface?<\/strong>\r\n\r\nDr. Clavet: Concrete alleys can be used in a barn with deep bedded stalls or with sand. It would encourage cows to go to the stalls and increase lying time. Cement would also be acceptable in a pack barn since the cows end to spend considerable time off the cement due to the comfort of the pack. If you were to choose stalls with mattresses, a grooved rubber alley surface may be the best option.\r\n\r\nA properly trimmed hoof over the life of the cow helps to keep the bones in the foot at a proper angle to act as a good shock absorber.","protected":false},"excerpt":{"rendered":"<p>An Interview with Dr. Andr\u00e9 Clavet Dr. Clavet recently conducted a producer workshop in St. Albert focused on lameness in dairy herds. He is a partner in LocoVet, a veterinary practice in Rimouski, Que and he specializes in lameness and corrective hoof trimming. 1. What is the strongest lameness challenge in today\u2019s dairy barns: : [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1100,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"wds_primary_category":46,"footnotes":""},"categories":[46],"class_list":["post-1099","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-animal-production"],"acf":[],"cp_meta_data":{"_wpml_word_count":["{\"total\":0,\"to_translate\":{\"en\":1078,\"fr\":1078}}"],"_alp_processed":["1576688740"],"_wp_old_date":["2019-11-26"],"_thumbnail_id":["1100"],"_last_translation_edit_mode":["native-editor"],"images":[""],"_images":["field_5d935785d2bd2"],"other_articles":["date"],"_other_articles":["field_5d92652698b6a"],"flexible":[""],"_wpml_media_duplicate":["0"],"_wpml_media_featured":["0"],"_wds_metadesc":["Quel est le probl\u00e8me de boiterie le plus important dans les \u00e9tables laiti\u00e8res d\u2019aujourd\u2019hui? Le Dr Clavet se penche sur la boiterie dans les troupeaux laitiers."],"_edit_lock":["1606422953:1"],"_wds_readability":["a:4:{s:5:\"score\";i:0;s:9:\"raw_score\";b:0;s:11:\"is_readable\";b:0;s:5:\"error\";s:19:\"No content to check\";}"],"_wds_analysis":["a:3:{s:6:\"errors\";a:8:{s:17:\"wds-checks::focus\";s:27:\"There are no focus keywords\";s:24:\"wds-checks::title_length\";s:27:\"Your SEO title is too short\";s:28:\"wds-checks::imgalts_keywords\";s:33:\"You haven&#039;t added any images\";s:26:\"wds-checks::content_length\";s:75:\"Your article doesn't have any words yet, you might want to add some content\";s:27:\"wds-checks::keyword_density\";s:33:\"You haven't used any keywords yet\";s:23:\"wds-checks::links_count\";s:64:\"You haven't added any internal or external links in your content\";s:25:\"wds-checks::para_keywords\";s:78:\"You haven't included the focus keywords in the first paragraph of your article\";s:32:\"wds-checks::subheadings_keywords\";s:30:\"You don't have any subheadings\";}s:10:\"percentage\";i:43;s:6:\"checks\";a:14:{s:5:\"focus\";a:5:{s:6:\"status\";b:0;s:7:\"ignored\";b:0;s:14:\"recommendation\";s:154:\"In order to give your content the best possible chance to be discovered, it is best to select some focus keywords or key phrases, to give it some context.\";s:9:\"more_info\";s:67:\"Selecting focus keywords helps describe what your content is about.\";s:10:\"status_msg\";s:27:\"There are no focus keywords\";}s:15:\"focus_stopwords\";a:5:{s:6:\"status\";b:1;s:7:\"ignored\";b:0;s:14:\"recommendation\";s:68:\"You kept the focus keywords of your article to the point, way to go!\";s:9:\"more_info\";s:294:\"Stop words are words which can be considered insignificant in a search query, either because they are way too common, or because they do not convey much information. 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