Farm Animal Metabolism and Nutrition
and tear over time. In reality, the problem is even worse because, for feedstuffs, it is difficult to maintain a set of samples ...
are also several ways to classify such instruments, which unfortunately often overlap. For example, instrumentation can be class ...
used. As can be seen, an entire book could be written summarizing the results obtained for feedstuffs alone. The examples which ...
analysis. Basically, it can be said that if there is a determination presently being used in the analysis of animal feedstuffs, ...
202 J.B. Reeves III Chemical dependence At present, NIRS is inherently limited by its dependence on the calibration process, and ...
Use of Near Infrared Reflectance Spectroscopy 203 Populations of silage samples often contain samples of high moisture content a ...
204 J.B. Reeves III is known that the spectra found in the NIR are due to overtone and combination bands of absorptions found in ...
Use of Near Infrared Reflectance Spectroscopy 205 physical state can also have spectral effects similar to those caused by water ...
questions still remain to be answered. One point is certain: with all the pressure, both direct and financial, to reduce the gen ...
Reeves, J.B., III (1995) Efforts to quantify changes in near-infrared spectra caused by the influence of water, pH, ionic streng ...
Chapter 10 Gas Production Methods P. Schofield Department of Animal Science, Cornell University, Ithaca, New York, USA Introduct ...
compounds act as both oxidizable sub- strates and oxidizing agents. If we ignore microbial cell production, then fermenta- tion ...
200 mg of sample. Digestion takes place within a 100 ml graduated glass syringe installed on a rotor and maintained at 39°C. Gas ...
There are several important advances in this design: 1.Because the gas is measured in small increments, then released, we can us ...
to measuring in vitrogas production for feedstuff evaluation. The early Menke syringe method is still used in many parts of the ...
Temperature control Microbial activity, and gas volumes and pressures all change with temperature. Close temperature control, us ...
more water-soluble gas such as CO 2 and a less water-soluble gas such as CH 4 (Schofield and Pell, 1995b). Open automated method ...
vessel with a gas-tight closure can be used for the digestion. Computers, A/D cards, software We must distinguish between the da ...
Data analysis requires, at minimum, a spreadsheet program with macro and good graphics capability. We currently are using Micros ...
St= Si+ S 0 (t< L) St= Si+ S 0 exp(k(tL)) (t> L) (10.3) where Stis the total residual fibre at time t, Siis the indige ...
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