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In British Columbia, the Range Regulation defines "animal unit month" for purposes of the Range Act. Effectively, the regulation assigns animal unit equivalents of 1 for a cow (either by herself or with an unweaned calf), 0.7 for a yearling of the genus Bos, 1.5 for a bull, 1.25 for a horse, 0.2 for a sheep, 0.2 for a llama, and 0.1 for an alpaca.
Various formulas are used for calculating grazing fees on public lands. Some examples are: For federal rangelands of the United States, the grazing fee "equals the $1.23 base established by the 1966 Western Livestock Grazing Survey multiplied by the result of the Forage Value Index (a derived index of the relative change in the previous year's average monthly rate per head for pasturing cattle ...
Most schemes use a calculation based on the weight of the animal. Some use figures for animals of different sizes which are directly proportional to their weight – for example the 2006 UK Government scheme uses a figure for ruminants of the animal's weight (in kilogrammes) divided by 650. [ 2 ]
In the United Kingdom the paddock is measured in LU, livestock units, although different schemes exist for this. [24] [25] New Zealand uses either LU, [26] EE (ewe equivalents) or SU (stock units). [27] In the US and Canada the traditional system uses animal units (AU). [28] A French/Swiss unit is Unité de Gros Bétail (UGB). [29] [30]
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Being a ratio the FCR is dimensionless, that is, it is not affected by the units of measurement used to determine the FCR. [3] FCR a function of the animal's genetics [4] and age, [5] the quality and ingredients of the feed, [5] and the conditions in which the animal is kept, [1] [6] and storage and use of the feed by the farmworkers. [7]
The notion of doubling time dates to interest on loans in Babylonian mathematics. Clay tablets from circa 2000 BCE include the exercise "Given an interest rate of 1/60 per month (no compounding), come the doubling time." This yields an annual interest rate of 12/60 = 20%, and hence a doubling time of 100% growth/20% growth per year = 5 years.
Note that all parameters default to the current date, so for example, the second set of parameters can be left out to calculate elapsed time since a past date: {{Age in years, months, weeks and days |month1 = 1 |day1 = 1 |year1 = 1 }} → 2023 years, 11 months, 2 weeks and 6 days; Or simply, using the simpler parameter names, compatible with ...