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Length of Dry Period- Don't just jump on a band wagon without knowing if you really want to go that way
and with the focus more on managing cows by groups rather than as individuals, the traditional length ... or twins. Few studies have been done whereby the 30 versus 60 day dry period was planned, but of ... length of the dry period. However, if cows are managed as groups for a target days dry of 30, several ...
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Zooming in on the 2020 Ohio Dairy Challenge
they are grouped generally into teams of three to four individuals. The farm selected for the contest ...
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Should You Consider Reducing Mineral Supplementation in Periods of Low Milk Prices?
expressed as milliequivalents per kg of diet) often increase milk fat yield. Based on a study from ... every study conducted evaluating the economic benefits of selenium supplementation show a very positive ... continuing to include some organic Zn is a good idea. Several studies have shown that a blend of organic and ...
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Transitioning of Herds to Automatic Milking Systems
the conventional milking system to the AMS. A study conducted by four major universities ... During training, small groups of cows (< 20) were commonly used. For producers who used a training ... program, it typically took 7 days to train a cow or heifer. It was estimated in the study that it would ...
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Reducing the Use of Copper Sulfate in Footbaths
when the manure is spread on fields. A recent study (Speijers et al., 2010. Journal of Dairy Science) ... evaluated different aspects of using copper sulfate footbaths. In one study, a 2% copper sulfate solution ... In a second study with cows that had a lower prevalence of digital dermatitis (~20% of the cows had ...
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Effects of Dietary Protein Level in Dry Cows and Heifers on Milk Production
articles. Most studies used Holstein dry cows and heifers. About 20% of those studies provided separate ...
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Milk Prices, Costs of Nutrients, Margins and Comparison of Feedstuffs Prices
group values (i.e., replace metabolizable protein by rumen degradable protein and digestible rumen ...
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Using Nutrient Cost to Benchmark Your Nutrition Costs
for a group of animals, it is not so easy to establish a benchmark- to estimate a reasonable figure ... producing 77 lb/day of milk with 3.5% fat and 3.0% true protein requires 34.8 Mcal/day of NE L. A unit of NE ... L (Mcal) cost on an average 6.63 cents. Thus, the cost of supplying the required energy is 34.8 x $0.0663 ...
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Monitoring MUN in Dairy Cows- Ohio Data
OSU College of Veterinary Medicine and Ohio DHI collaborated in a study, evaluating MUN concentrations ... laboratory from individual cow's monthly test day milk samples. The study herds comprised of 1681 cows ... groups, and therefore, it is advisable to monitor MUN monthly to establish a baseline MUN concentration ...
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High Quality Corn Silage: A Gift That Keeps Giving
(IVNDFD). In numerous lactation studies, cows fed diets based heavily on corn silage usually ate more dry ... these studies included brown midrib silage (BMR) because BMR usually has a higher IVNDFD than most ... regarding IVNDFD is usually available in seed catalogs). A study published in the November 2012 issue of ...