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  1. Promising Vaccine Development to Control Johne’s Disease

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-23-issue-4/promising-vaccine-development-control-johne%E2%80%99s

    of pooled MAP recombinant proteins as a potential vaccine. Two separate studies were carried out: 1) ... In the first study, vaccinated two-week old calves were immunized with a total of 400 µg protein ... Medicine, Ohio State University Extension Johne’s disease is a chronic enteritis associated with ruminants ...

  2. Assessing Calf Death Losses in a Beef-Dairy Crossbreeding Program

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-23-issue-4/assessing-calf-death-losses-beef-dairy-crossbreeding

    A case study using data from a beef-dairy crossbreeding program was developed to illustrate a systematic ... approach to assess calf death losses. The case study was developed for educational purposes; and the ... obtained from PCDART.   Case Study Outcomes: The overall calf death loss at the maternity was 5.4% (340 out ...

  3. Key Mastitis Control Points for Best Milk Quality

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-23-issue-4/key-mastitis-control-points-best-milk-quality

    routinely to identify the cases of mastitis at an early stage. Perform stripping correctly, avoiding ... Medicine, The Ohio State University Mastitis is the most common and costly disease affecting dairy cows, ranking ... within the top two reasons for early removal of cows within US dairy herds. This disease affects cow ...

  4. Steps to Speed up Field Curing of Hay Crops

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-23-issue-4/steps-speed-field-curing-hay-crops

    Extension Educator, Sandusky County, The Ohio State University The rainy weather in many regions of Ohio and ... cases, it may be better to gamble more on the weather just to get the old crop off and a new one started. ... to avoid excessive leaf loss. Research studies and experience have proven that drying forage in wide ...

  5. Harvest Management of Sorghum Forages

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-23-issue-4/harvest-management-sorghum-forages

    Educator, Agriculture and Natural Resources, Crawford County, The Ohio State University Summer annual ... listed in the Ohio Agronomy Guide are shown in Table 7-12. Table 7-12: Harvest Information for ... inches tall). The BMR hybrid provided a longer window of acceptable forage for dairy cows. In this study ...

  6. Creeping Towards Harvest

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-23-issue-4/creeping-towards-harvest

    of silage. Two other research studies also concluded that raising the cutter bar height from 14 to 20 ... Haley Zynda, Extension Educator, Agriculture and Natural Resources, Wayne County, Ohio State ... appearance of the milkline), or 40 days after silking (for Ohio). Dry matter yield in tons/acre is maximized ...

  7. Seeding Perennial Forages in Late Summer

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-23-issue-4/seeding-perennial-forages-late-summer

    Science, The Ohio State University The month of August provides a window of opportunity for establishing ... the first year or two through lower forage yields.   Planting date: Planting of alfalfa and other ... legumes should be completed between late July and mid-August in Northern Ohio and between early and late ...

  8. Milk Prices, Costs of Nutrients, Margins and Comparison of Feedstuffs Prices

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-23-issue-4/milk-prices-costs-nutrients-margins-and-comparison

    April F. White, Graduate Research Associate, Department of Animal Sciences, The Ohio State ... for profitability changes related to culling cows. Table 1. Prices of dairy nutrients for Ohio dairy ... farms, July 21, 2021. Economic Value of Feeds Results of the Sesame analysis for central Ohio on July 21, ...

  9. Forage Fertility: Where We Are and Why it Matters

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-23-issue-4/forage-fertility-where-we-are-and-why-it-matters

    Garth Ruff, Beef Cattle Field Specialist and Greg LaBarge, Agronomic Crops Field Specialist, Ohio ... State University Extension Hay and haylage crops are grown on just over 1 million acres in Ohio (NASS, ... 2019) and are grown on more Ohio farms (44% of all farms) than any other crop (Becot et al., 2020). In ...

  10. USDA Releases July Dairy Outlook

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-23-issue-4/usda-releases-july-dairy-outlook

    Chris Zoller, Extension Educator, Agriculture and Natural Resources, Tuscarawas County, Ohio State ... Dairy farmers and advisors are encouraged to consult the Ohio State University Extension Dairy Excel 15 ... %2015%20Measures%20of%20Dairy%20Farm%20Competitiveness%20Final%20%281%29.pdf,  Ohio State University Extension Farm ...

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