Livestock Water Requirement
Gallons per head per day and total herd demand by temperature interpolation between user-supplied breakpoints, or the dry-matter-intake ratio method, with a lactation doubling.
Formula and source
Table: per-head gallons interpolated linearly between two user-supplied temperature breakpoints. Intake ratio: gallons = DMI * water_per_DMI / 8.345. Lactation roughly doubles demand.
Per NRC Nutrient Requirements of Beef Cattle / Dairy Cattle water-intake guidance and the USDA NRCS National Range and Pasture Handbook water section, by name; breakpoints user-supplied.
Audience
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Posture
Rough Logic answers the math question the working professional asks on the job. The site is a calm, fast, ad-free, account-free, ever-free reference. It does not interpret code. It does not replace the licensed professional. It does not store your inputs. The Authority Having Jurisdiction governs all installations and inspections.