A Comparison of Sampling Procedures in Making Pasture Yield Determinations

The Output of Pasture and Its Measurement. Part Ii.*

“…Area 2^-Weathei still dry and cold-no special animal disturbance factors-grass leafy. m (3) y p Area 1.-Weather still dry and ground now hard-temperature normal-no special ammal disturbance factors^grass slightly stemmy. Area 3-Drought broke tow^irds end of period-temperature slightly sub-normal-no animal distnibancc factors-grass leafy.…”

A review of plant‐based methods of estimating food consumption, percentage utilisation, species preferences and feeding patterns of grazing and browsing animals

“…Normally it involves comparisons of clipped quadrat, individual plant or plant-part samples taken just before and just after grazing, or comparisons of such samples cut in areas being grazed (or which have been grazed) with samples cut in comparable areas from which the grazing animals have been excluded. In the latter instance cages or exclosures are used to exclude the animals, and the technique in its different variants is termed the "cage" method, "movable cage" method or the "exclosure" method (see Nevens, 1945;Linehan, Lowe & Stewart, 1952;Brown, 1954;Voight, 1959).…”

Response of True Prairie Vegetation on Major Flint Hills Range Sites to Grazing Treatment

“…Ahlgren (1947) reported that clipping or mowing ungrazed plots or protected areas in pastures probably is the most common procedure used in measuring the results of pasture management research. Using movable cages, Nevens (1945) showed that the difference between the weight of clipped herbage produced within plots protected from grazing and of that remaining after grazing and then clipped was a measure of the quantity consumed by the livestock. Using movable cages, Nevens (1945) showed that the difference between the weight of clipped herbage produced within plots protected from grazing and of that remaining after grazing and then clipped was a measure of the quantity consumed by the livestock.…”

“…It is particularly suited to trials which include a large number of variables and may give more precise yield estimates than those based on animal productivity and maintenance. Using movable cages, Nevens (1945) showed that the difference between the weight of clipped herbage produced within plots protected from grazing and of that remaining after grazing and then clipped was a measure of the quantity consumed by the livestock.…”