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|Title: ||Liveweight gain per head and per ha throughout the year of lambs grazing conventional pastures and those that switch from grass to clover|
|Author: ||Nicol, A. M.|
Bryant, Racheal Harriet
Ridgeway, M. J.
Edwards, Grant R.
|Date: ||2010 |
|Publisher: ||New Zealand Grassland Association.|
|Citation: ||Nicol, A. M., Bryant, R. H., Ridgeway, M. J. & Edwards, G. R. (2010). Liveweight gain per head and per ha throughout the year of lambs grazing conventional pastures and those that switch from grass to clover. Proceedings of the New Zealand Grassland Association, 72, 211-216.|
|Item Type: ||Conference Contribution - Paper in Published Proceedings|
|Abstract: ||Intensive lamb finishing requires a consistent supply
of high quality forage throughout the year to regularly
finish lambs. Per head and per ha liveweight gain of
weaned lambs was compared in 13 batches of lambs
on replicated irrigated farmlets for 2.5 years from
conventional mixed tetraploid perennial ryegrasswhite
clover pastures (Conv) and pastures that were
pure white clover for spring and summer and switched
to overdrilled Italian ryegrass for the winter (Switch).
Seasonal differences in stocking rate (lambs/ha),
liveweight gain per head and per ha were significant
(P<0.05). Average daily liveweight gain/ha was
significantly higher (6.01 versus 5.66 kg/ha/day for
Switch and Conv, respectively, but the total grazing
days were slightly lower on the Switch farmlets
resulting in similar annualised liveweight gain per ha
(1 800 kg) and net carcass weight (800 kg/ha) on both
pasture treatments. The farmlets apparently utilised
10 000 kg DM/ha/yr of the 16 000 kg DM accumulated.|
|Description: ||Paper presented at the 72nd New Zealand Grassland Association Conference, 14-18 November 2010, Lincoln.|
|Persistent URL (URI): ||http://hdl.handle.net/10182/4489|
|Related: ||Available at www.grassland.org.nz|
|Related URI: ||http://www.grassland.org.nz/viewpublication.php?pubID=1|
|Rights: ||Copyright © The Authors and New Zealand Grassland Association.|
|Appears in Collections:||Department of Agricultural Sciences|
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