Zobrazeno 1 - 10
of 24
pro vyhledávání: '"G. K. Hight"'
Autor:
G. K. Hight, A. L. Wrigglesworth, K. R. Jones, J. L. Dobbie, S. M. Hickey, R. M. W. Sumner, D. L. Johnson, C. A. Morris
Publikováno v:
New Zealand Journal of Agricultural Research. 39:95-106
An experiment was carried out to study direct and indirect responses to selection in Romney sheep. There were two selection lines, one selected for greasy fleece weight (GFW) and the other for liveweight (LW), maintained alongside a control line (CO)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fbd096f80a4b10600e64dced3356c2af
https://doi.org/10.1080/00288233.1996.9513166
https://doi.org/10.1080/00288233.1996.9513166
Publikováno v:
New Zealand Journal of Agricultural Research. 38:115-122
An experiment was carried out to study the responses to selection for yearling fleece weight and liveweight in Romney sheep. There were two selection lines, one selected for fleece weight (FW) and the other for liveweight (LW), and a control (CO) lin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8458d55fb0fa8f5cbfdc581afcea631
https://doi.org/10.1080/00288233.1995.9513110
https://doi.org/10.1080/00288233.1995.9513110
Publikováno v:
New Zealand Journal of Agricultural Research. 19:197-210
Data from 5635 straightbred Romney and first-, second-, and third-cross Border Leicester × Romney ewes grazed at the Whatawhata Hill Country Research Station from 1959 to 1967 were used to study the effects of flock, ewe age, and fertility status on
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10526a3eb0ce9b675c83ad3fc06000e2
https://doi.org/10.1080/00288233.1976.10426766
https://doi.org/10.1080/00288233.1976.10426766
Publikováno v:
New Zealand Journal of Experimental Agriculture. 7:125-130
The ability of harnessed vasectomised (teaser) rams to identify barren ewes over the 4-6 weeks after joining with entire rams, has been calculated from 4–6 years' data from 2 flocks. Of the total barren ewes, 29.6% (range 18.2%–46.6%) in one floc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::21e3f23f8f4b1ed0a8fa89823fa9537b
https://doi.org/10.1080/03015521.1979.10426177
https://doi.org/10.1080/03015521.1979.10426177
Autor:
G. K. Hight, K. E. Jury
Publikováno v:
New Zealand Journal of Agricultural Research. 19:281-288
The relationship of oestrous behaviour and ovulation rate of hoggets and at 2 years of age to subsequent lambing performance in Romney and Border Leicester × Romney ewes grazed at the Whatawhata Hill Country Research Station from 1965 to 1971 are re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3b76b788133ee3db0675455f1e5ced37
https://doi.org/10.1080/00288233.1976.10429067
https://doi.org/10.1080/00288233.1976.10429067
Publikováno v:
New Zealand Journal of Agricultural Research. 23:281-285
Median lambing dates and lambing patterns of ewes joined on 3 March after 14 days' teasing with Romney teasers were compared with those of ewes teased with Dorset teasers and ewes joined on 17 March after teasing for 14 days or 28 days with Romney te
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c444e8012ba10d13e88447680b2d6379
https://doi.org/10.1080/00288233.1980.10425357
https://doi.org/10.1080/00288233.1980.10425357
Autor:
G. K. Hight, T. W. Knight
Publikováno v:
New Zealand Journal of Agricultural Research. 19:211-216
The cumulative data from 9 flocks of sheep over the period 1967 to 1973, representing 2427 2-year-old and 5443 3- to 5-year-old (mature) ewe-matings, were analysed for variation in reproductive performance between ewe ages and among those mated by en
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7cf50b399e0680ec1bad112941029611
https://doi.org/10.1080/00288233.1976.10426767
https://doi.org/10.1080/00288233.1976.10426767
Publikováno v:
New Zealand Journal of Agricultural Research. 5:501-506
Twenty each of open- and wooIly-faced 6-year-old Romney ewes were slaughtered. No significant differences were noted in carcass composition, weights of internaiorgans, or the weights and lengths of certain long bones. The weight of the stornach conte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f7a00cbfd0a6746aa6f9ad86a1891c1e
https://doi.org/10.1080/00288233.1962.10419947
https://doi.org/10.1080/00288233.1962.10419947
Autor:
G. K. Hight, K. E. Jury
Publikováno v:
New Zealand Journal of Agricultural Research. 16:509-517
Data from straightbred Romney and Border Leicester x Romney ewe hoggets, born in the years 1965 to 1967, were used to describe hogget oestrous behaviour, ovulation rate, and live weight. The hoggets were grazed from birth at the Whatawhata Hill Count
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::052d2c240c02788bf4641cec557481f9
https://doi.org/10.1080/00288233.1973.10421097
https://doi.org/10.1080/00288233.1973.10421097
Autor:
K. E. Jury, G. K. Hight
Publikováno v:
New Zealand Journal of Agricultural Research. 13:641-659
Data from 7,091 straightbred Romney and Border Leicester × Romney ewes grazed at the Whatawhata Hill Country Research Station over the period 1959 to 1967 have been used to obtain estimates of flock and age-of-ewe effects on reproduction rate and it
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dd1e361c83a31ba341e93fbfcbfffc3e
https://doi.org/10.1080/00288233.1970.10421610
https://doi.org/10.1080/00288233.1970.10421610