@conference {40413,
	title = {Lamb and milk production in Awassi, Assaf, Booroola-Awassi and Booroola-Assaf sheep in Israel},
	booktitle = {Proceedings of the New Zealand Society of Animal Production},
	volume = {52},
	year = {1992},
	month = {Jan},
	pages = {203-206},
	publisher = {New Zealand Society of Animal Production},
	organization = {New Zealand Society of Animal Production},
	abstract = {The growth rates of Merino and Romney lambs were compared at  three stocking rates (200, 100 and 50 lambs/hectare) but at the same  herbage allowance (2 kg DM/head/day). To achieve this, lambs at lower  stocking rates were allocated different areas (0.21, 0.4 and 0.8 ha) and  shifted at different frequencies (5.1, 9.8 and 24.5 days, respectively).  At each stocking, rate groups of 10 lambs of each breed were grazed both  separately and together. Each treatment was replicated. Grazing clocks  were used to record grazing times in the mixed grazing groups at both  the high and low stocking rates.   Romney lambs grew significantly faster than Merinos (P<0.001) at all  stocking rates. As stocking rate increased there was an overall  decrease in LWG (P<0.001). However LWG of Merinos decreased at a  significantly faster rate (P<0.005). The effects of stocking rate on  breed differences in LWG were supported by grazing data. At 50  lambs/ha, Merinos and Romneys grazed for 10.5 and 11.1 hrs/d,  respectively. At 200 lambs/ha, Merinos grazed for 7.2 hrs/d, compared  with 11.0 hrs/d Romneys. The pattern of grazing also changed, with  Merinos spending more daytime grazing as stocking rate increased from 50  to 200 lambs/ha (60\% versus 82\%) whereas Romney continued to spend 80\%  of total grazing time as daytime grazers.  },
	issn = {1176-5283},
	author = {Gootwine E and Braw-Tal R and Bor A and Goot H and Shalhevet D and Zenou A}
}
