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http://dx.doi.org/10.5333/KGFS.2003.23.4.255

Effects of Pig Slurry Application on Body Weight Gain of Grazing Hanwoo Heifer and Forage Yields in a Grass-Legume Mixed Pasture  

Ko, S.B. (Natinal Juju Agricultural Experiment Station, R.D.A.)
Park, N.G. (Natinal Juju Agricultural Experiment Station, R.D.A.)
Hwang, K.J. (College of Agri. & Lige Sci., Cheju National University)
Lee, C.E. (Natinal Juju Agricultural Experiment Station, R.D.A.)
Kang, S.Y. (Natinal Juju Agricultural Experiment Station, R.D.A.)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.23, no.4, 2003 , pp. 255-264 More about this Journal
Abstract
A study was conducted to determine the effects of pig slurry application on forage yield and growth of fazing Hanwoo heifer in a mixed pasture. To each of three treatments 1.4ha were alloted a control applied with only chemical fertilizer (N-P-K=150-150-120kg/ha), two pig slurry lots applied with the amount to allow 100% (150 kg/ha) or 150% (225 kg/ha) of N used in the control. A randomized block design was used without replication. Cattle were allowed to graze continuously during the experimental period. Results obtained were as follows: Total dry matter yield was 16,291, 15,632 and 16,320 kg/ha for chemical fertilizer. pig slurry 100% and 150％, respectively. The pasture was dominated by perenial ryegrass during the first gazing season, but by orchard grass and perenial ryegrass (60∼70%) and red clover (20∼30%) during the second grazing season. Average gazing rate per ha was 2.75∼2.76 animal units and daily weight gain of grazing cattle was not different among treatments ranging from 0.563 to 0.580 kg. Total weight gain of grazing cattle per ha during the grazing period was 541, 541 abd 555 kg for chemical fertilizer, pig -slurry 100 and 150%, respectively. RBC, WBC, total protein and albumin etc. concentrations in blood were normal in all treatments.
Keywords
Grass/clover mixed pasture; Pig slurry; Yield; Cattle grazing;
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Times Cited By KSCI : 2  (Citation Analysis)
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