Citations (28)
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Read on this site (12)
Emmanuelle Haslin, Rene A. Corner-Thomas, Paul R. Kenyon, Emma J. Pettigrew, Rebecca E. Hickson, Stephen T. Morris & Hugh T. Blair. (2022) Breeding heavier ewe lambs at seven months of age did not impact their subsequent two and three-year-old ewe live weight and reproductive performance. New Zealand Journal of Agricultural Research 65:2-3, pages 129-144.
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Emmanuelle Haslin, Rene A. Corner-Thomas, Paul R. Kenyon, Emma J. Pettigrew, Rebecca E. Hickson, Steve T. Morris & Hugh T. Blair. (2022) Effects of heavier live weight of ewe lambs at mating on fertility, lambing percentage, subsequent live weight and the performance of their progeny. New Zealand Journal of Agricultural Research 65:2-3, pages 114-128.
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Sara J. Edwards & Jennifer L. Juengel. (2017) Limits on hogget lambing: the fertility of the young ewe. New Zealand Journal of Agricultural Research 60:1, pages 1-22.
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FJ Mulvaney, ST Morris, PR Kenyon, PCH Morel & DM West. (2012) Effect of nutrition from mid-pregnancy to parturition on the live weight of twin-bearing hoggets and the live weight and survival of their lambs. New Zealand Journal of Agricultural Research 55:4, pages 385-392.
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PR Kenyon, C Viñoles & ST Morris. (2012) Effect of teasing by the ram on the onset of puberty in Romney ewe lambs. New Zealand Journal of Agricultural Research 55:3, pages 283-291.
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FJ Mulvaney, ST Morris, PR Kenyon, DM West & PCH Morel. (2010) Effect of liveweight at the start of the breeding period and liveweight gain during the breeding period and pregnancy on reproductive performance of hoggets and the liveweight of their lambs. New Zealand Journal of Agricultural Research 53:4, pages 355-364.
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PR Kenyon, SL Smith, PCH Morel, ST Morris & DM West. (2009) The effect of the maturity and prior breeding activity of rams and body condition score of ewe hoggets on the reproductive performance of ewe hoggets. New Zealand Veterinary Journal 57:5, pages 290-294.
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PR Kenyon, ST Morris & DM West. (2008) Can Romney ram lambs whose scrotums had been shortened by the use of a rubber ring be used as an alternative to vasectomised Perendale rams for inducing early breeding activity in Romney ewe lambs?. New Zealand Veterinary Journal 56:6, pages 326-329.
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PR Kenyon, PCH Morel, ST Morris, DL Burnham & DM West. (2007) Effect of the ratio of teaser rams used prior to breeding on the reproductive performance of ewe hoggets. New Zealand Veterinary Journal 55:6, pages 342-345.
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PR Kenyon, PCH Morel, ST Morris & DM West. (2007) Effect of the age of rams on reproductive performance of ewe hoggets. New Zealand Veterinary Journal 55:4, pages 184-187.
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P. R. Kenyon, P. C. H. Morel, D. M. West & S. T. Morris. (2006) Effect of liveweight and teasing of ewe hoggets prior to breeding on lambing pattern and weight of singleton lambs. New Zealand Journal of Agricultural Research 49:3, pages 341-347.
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PR Kenyon, PCH Morel, ST Morris, DL Burnham & DM West. (2006) The effect of length of use of teaser rams prior to mating and individual liveweight on the reproductive performance of ewe hoggets. New Zealand Veterinary Journal 54:2, pages 91-95.
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Articles from other publishers (16)
César A. Rosales-Nieto, Andrew N. Thompson, Venancio Cuevas-Reyes, Luisa E.S. Hérnandez-Arteaga, Johan C. Greeff, Richard Ehrhardt, Almudena Veiga-Lopez & Graeme B. Martin. (2024) Utilising male stimulus to improve the reproductive efficiency of 8-month-old nulliparous ewes and adult parous ewes. Theriogenology 217, pages 143-150.
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Francesca Daniela Sotgiu, Antonio Spezzigu, Cristian Porcu, Alberto Stanislao Atzori, Gian Simone Sechi, Valeria Pasciu, Giovanni Molle & Fiammetta Berlinguer. (2023) Application of the “echo-synch protocol” to advance pregnancy onset in ewe lambs at the first reproductive season. Frontiers in Veterinary Science 10.
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José-Alfonso Abecia, Antonio Barrio & José-Antonio Ruiz. (2021) The effect of being housed with adult female flock-mates on the age at puberty of autumn-born ewe-lambs. Veterinary Research Communications 46:2, pages 609-612.
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T.W.J. Keady & J.P. Hanrahan. (2021) Effects of joining at 7 months, and ewe genotype, on the performance of ewes to 19 months of age and that of their progeny to slaughter. Animal 15:6, pages 100232.
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Giovanni Cosso, Sebastiano Luridiana, Luisa Pulinas, Giulio Curone, Giulia Pich, Vincenzo Carcangiu & Maria Consuelo Mura. (2021) Melatonin Treatment in Rams and Their Replacement with Novel Treated Rams Advance First Lambing and Increase Fertility in Sarda Ewe Lambs. Animals 11:5, pages 1227.
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J.A. Abecia, P. Chemineau, A. Gómez, M. Keller, F. Forcada & J.A. Delgadillo. (2016) Presence of photoperiod-melatonin-induced, sexually-activated rams in spring advances puberty in autumn-born ewe lambs. Animal Reproduction Science 170, pages 114-120.
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Sara J. Edwards, Bronwyn Smaill, Anne R. O’Connell, Peter D. Johnstone, David R. Stevens, Laurel D. Quirke, Philip A. Farquhar & Jennifer L. Juengel. (2016) Reduced ovulation rate, failure to be mated and fertilization failure/embryo loss are the underlying causes of poor reproductive performance in juvenile ewes. Animal Reproduction Science 167, pages 125-132.
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D. J. Brown, D. B. Savage, G. N. Hinch & S. Hatcher. (2015) Monitoring liveweight in sheep is a valuable management strategy: a review of available technologies. Animal Production Science 55:4, pages 427.
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L. Piaggio, H. Deschenaux, F. Baldi, S. Fierro, G. Quintans & G. Banchero. (2015) Plane of nutrition of Corriedale ewe lambs from foetal life to the onset of breeding affects weight at service and reproductive outcome. Animal Production Science 55:8, pages 1011.
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S.T. Morris & P.R. Kenyon. (2014) Intensive sheep and beef production from pasture — A New Zealand perspective of concerns, opportunities and challenges. Meat Science 98:3, pages 330-335.
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P.R. Kenyon, A.N. Thompson & S.T. Morris. (2014) Breeding ewe lambs successfully to improve lifetime performance. Small Ruminant Research 118:1-3, pages 2-15.
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P. R. Kenyon, S. T. Morris & D. M. West. (2010) Proportion of rams and the condition of ewe lambs at joining influences their breeding performance. Animal Production Science 50:6, pages 454.
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K. Musonda, T.N. Barry, E.L. McWilliam, N. Lopez-Villalobos & W.E. Pomroy. (2009) Grazing willow (Salix spp.) fodder blocks for increased reproductive rates and internal parasite control in mated hoggets. Animal Feed Science and Technology 150:1-2, pages 46-61.
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P.R. Kenyon, P.C.H. Morel, S.T. Morris & D.M. West. (2008) A note on the effect of vasectomised rams and short-term exposures to entire rams prior to the breeding period on the reproductive performance of ewe lambs. Applied Animal Behaviour Science 110:3-4, pages 397-403.
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P. R. Kenyon, S. T. Morris, H. T. Blair & K. J. Stafford. (2008) Does dam parity affect the performance of ewe progeny born to 2-year-old ewes?. Australian Journal of Experimental Agriculture 48:7, pages 979.
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N. M. Fogarty, V. M. Ingham, A. R. Gilmour, R. A. Afolayan, L. J. Cummins, J. E. Hocking Edwards & G. M. Gaunt. (2007) Genetic evaluation of crossbred lamb production. 5. Age of puberty and lambing performance of yearling crossbred ewes. Australian Journal of Agricultural Research 58:9, pages 928.
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