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Related Experiment Videos

Mustard meal in dairy rations.

B R Moss

    Journal of Dairy Science
    |November 1, 1975
    PubMed
    Summary
    This summary is machine-generated.

    Caustic soda treatment improved mustard meal palatability for lactating cows. Treated mustard meal did not affect milk production, quality, or calf health, indicating its potential as a safe feed ingredient.

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    Area of Science:

    • Animal Science
    • Agricultural Chemistry
    • Dairy Nutrition

    Background:

    • Mustard meal is a potential protein source for livestock.
    • Concerns exist regarding its palatability and potential goitrogenic effects.

    Purpose of the Study:

    • To evaluate the palatability and effects of treated and untreated mustard meal in lactating cow rations.
    • To assess the impact of mustard meal on milk production, quality, and calf development.

    Main Methods:

    • Palatability trials with lactating cows using varying mustard meal inclusion rates (0-15%).
    • Lactation trials comparing untreated mustard meal rations.
    • Goitrogenic effect assessment via plasma protein-bound iodine and calf health monitoring.
    • Starter ration trials with Holstein calves (0-20% mustard meal).

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    Main Results:

    • Caustic soda treatment eliminated preference differences for mustard meal rations.
    • Untreated mustard meal showed a preference order against higher inclusion rates.
    • No significant differences in milk yield, milk fat, solids-not-fat, or protein were observed.
    • Plasma protein-bound iodine remained within normal ranges, and no adverse effects on calf health or growth were noted.
    • Treated mustard meal did not impart a detrimental flavor to milk, unlike untreated mustard meal.

    Conclusions:

    • Caustic soda treatment significantly enhances the palatability of mustard meal for lactating cows.
    • Mustard meal, when treated, can be safely incorporated into dairy rations without negatively impacting milk production, quality, or animal health.
    • Further research may explore optimal inclusion levels and long-term effects of treated mustard meal in animal feed.