Short duration versus continuous grazing on sand shinnery oak range

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Title: Short duration versus continuous grazing on sand shinnery oak range
Author: Dickerson, Roy Lee
Abstract: Two grazing systems , the continuous grazing system (CG ) and the short duration grazing system (SDG , with an 18 pasture and a 36 pasture simulation ) were established to test the stated benefits of increased forage production , quality , and range condition improvement under SDG versus the control CG . In 1983 and 1984 , forage production and quality were monitored by clipping caged and supplemental uncaged plots . Fecal crude protein was also used as an indication of forage quality available to the animal . Forage and fecal percent moisture were measured and related to forage quality . Step point transects were used to evaluate species composition changes in 1980 , 1983 , and 1984 . Rainfall data indicated drought situations with precipitation reduced by 50 % during the primary growing season in 1983 and 1984 as compared to 1982 . Forage production for SDG had more production than the CG system in 1983 , but this trend reversed in 1984 . Forage quality overall in 1983 and 1984 in grass and forbs was essentially equal with some fluctuations noted in the forbs . Fecal quality was about the same among treatments within a year and between years . Forage moisture showed no difference between the systems . Fecal moisture in the SDG system was different from the CG system . Step point transects indicated a reduction of grass species for all treatments but no further encroachment of shrub species . Weather effects within a year and year to year , not treatment effects , seemed to cause the differences in forage production in 1983 and 1984 and loss of grass species from 1980 to 1984 .
URI: http : / /hdl .handle .net /2346 /11504
Date: 1985-05

Citation

Dickerson, Roy Lee Short duration versus continuous grazing on sand shinnery oak range. Master's thesis, Texas Tech University. Available electronically from http : / /hdl .handle .net /2346 /11504 .

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