Most sheep farmers do not feed additives and do not know how to feed additives. They only know how to feed grass and feed materials, which results in slow growth of sheep and slower growth. Therefore, sheep farmers should be properly fed with additives, which will help promote sheep health and improve production performance. Common additives are:
1. Nutrient compound feed additive, suitable for sheep in the current year and elimination of rams, old and weak adult sheep fattening, can significantly improve the fattening effect and save feed.
2. Monensin sodium, also known as rumen, acts to control and increase rumen fermentation efficiency, thereby increasing the rate of weight gain and feed conversion.
3. Urea, can supplement protein deficiency, suitable for winter feeding. According to 1.5%-2.0% of the feed in the fine feed, the amount of 8-10 grams daily feed, do not drink water within half an hour after feeding. Can not be fed alone, weak sheep should be fed or not fed.
The passband filter is a kind of filter, which can separate a certain wavelength band of monochromatic light.
A filter that separates a certain band of monochromatic light from the composite light. It has a symmetrically distributed light transmittance curve, and the light transmittance is the largest at the center wavelength. At half of the peak transmittance, the wavelength spacing Δλ between two symmetric points on the transmittance curve is the bandpass half-width of the filter. Divided into narrowband filters and broadband filters. Used for spectroscopy instruments to eliminate the overlap of grating spectral levels.
The narrow-band filter is subdivided from the band-pass filter, and its definition is the same as that of the band-pass filter, that is, the filter allows the optical signal to pass through in a specific wavelength band, and deviates from the band outside this band. The optical signals on both sides are blocked, and the passband of the narrow-band filter is relatively narrow, generally less than 5% of the central wavelength value. Its main parameters are: center wavelength, half-width (bandwidth), peak transmittance, cut-off range, cut-off depth (OD value).
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