caa a22 4500 386320047 CHVBK 20180307111622.0 cr unu---uuuuu 161130e198810 xx s 000 0 eng 10.1017/S0003356100003330 doi S0003356100003330 pii (NATIONALLICENCE)cambridge-10.1017/S0003356100003330 Responsiveness of ewe genotypes to varying nutritional management, and conventional genotype × environment interactions in sheep [Elektronische Daten] An experiment was conducted during 2 years to evaluate industry Coopworth, industry Romney and Waihora Romney ewes (a strain selected for 10 years for increased ewe productivity) in a variety of nutritional and management treatment combinations. Waihora Romneys were most productive with small and inconsistent differences between industry Romneys and Coopworths. Conventional cross-classified analyses of variance did not reveal large, consistent nor economically important ewe genotype × nutritional treatment or year interactions. Additional analyses were designed to investigate whether the ewe genotypes responded to changes in the nutritional and(or) management environment with similar quantitative changes in production. A sensitive genotype would be one that responded to environmental changes with relatively large changes in productivity; a stable genotype would be one whose changes in production in response to a variable environment were smaller. By several statistical procedures designed to assess relative ‘sensitivity' v. ‘stability', Waihora Romney ewes appeared to be the most stable, with industry Romney and Coopworth ewes similar in their sensitivity. Copyright © British Society of Animal Science 1988 Hohenboken W. D. Ruakura Agricultural Research Centre, Private Bag, Hamilton, New Zealand Clarke J. N. Ruakura Agricultural Research Centre, Private Bag, Hamilton, New Zealand Rattray P. V. Whatawhata Hill Country Research Station, Private Bag, Hamilton, New Zealand Smith J. F. Ruakura Agricultural Research Centre, Private Bag, Hamilton, New Zealand Wheeler M. Ruakura Agricultural Research Centre, Private Bag, Hamilton, New Zealand Animal Production Cambridge University Press 47/2(1988-10), 253-262 0003-3561 47:2<253 1988 47 ASC https://doi.org/10.1017/S0003356100003330 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1017/S0003356100003330 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Hohenboken W. D. Ruakura Agricultural Research Centre, Private Bag, Hamilton, New Zealand NATIONALLICENCE 700 1- Clarke J. N. Ruakura Agricultural Research Centre, Private Bag, Hamilton, New Zealand NATIONALLICENCE 700 1- Rattray P. V. Whatawhata Hill Country Research Station, Private Bag, Hamilton, New Zealand NATIONALLICENCE 700 1- Smith J. F. Ruakura Agricultural Research Centre, Private Bag, Hamilton, New Zealand NATIONALLICENCE 700 1- Wheeler M. Ruakura Agricultural Research Centre, Private Bag, Hamilton, New Zealand NATIONALLICENCE 773 0- Animal Production Cambridge University Press 47/2(1988-10), 253-262 0003-3561 47:2<253 1988 47 ASC CC0 http://creativecommons.org/publicdomain/zero/1.0 nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-cambridge