Export 20 results:
Filters: Author is Parr J  [Clear All Filters]
1999
Effect of very low sperm doses on pregnancy rates after AI in sheep., JF, Smith, J Parr, GR Murray, A Clarke, JE Oliver, RM McDonald, and DM Duganzich , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 59, p.219-222, (1999)
Seasonal changes in the protein content and composition of ram seminal plasma, JF, Smith, J Parr, GR Murray, RM McDonald, and RS-F Lee , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 59, p.223-225, (1999)
1998
Effect of sperm dose, diluent type and timing of insemination on pregnancy rates in sheep., JF, Smith, J Parr, GR Murray, A Clarke, JE Oliver, and DM Duganzich , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 58, p.186-188, (1998)
Relationships between laboratory measures of ram sperm competence and field fertility., JF, Smith, J Parr, GR Murray, A Clarke, RM McDonald, and DM Duganzich , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 58, p.181-185, (1998)
1997
Effect on time of year of treatment and selection for out-of-season breeding on the superovulatory response in ewes., JF, Smith, LT McGowan, GR Murray, J Parr, PA Pugh, and HR Tervit , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 57, p.258, (1997)
Seasonal Patterns in Production and Quality of Semen of Rams from Flocks Selected for or against an Early Breeding Season., JF, Smith, J Parr, JK Smith, RM Briggs, and DM Duganzich , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 57, p.259, (1997)
1996
Effect of selection for early lambing on the testicular diameter of the male offspring, JF, Smith, J Parr, and DM Duganzich , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 56, p.310-313, (1996)
1995
Comparison of cervical, transcervical and laparoscopic insemination of ewes with chilled stored and frozen ram semen, JF, Smith, J Parr, S Beaumont, JE Oliver, and GC Upreti , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 55, p.248-250, (1995)
Effect of diluent type and storage time on the pregnancy rate of ewes inseminated laparoscopically with chilled ram semen, JF, Smith, J Parr, G Murray, JE Oliver, S Beaumont, and GC Upreti , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 55, p.245-247, (1995)
Effect of selection for early lambing on the expression of hogget oestrus activity, JF, Smith, J Parr, G Murray, C Harris, and DM Duganzich , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 55, p.154-156, (1995)
Effect of selection for early lambing performance on the seasonal patterns of gonadotrophin levels; response to GnRH and semen characteristics, JC, Brewer, RM Briggs, J Parr, RJ Wilkins, and JF Smith , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 55, p.228-231, (1995)
Seasonal changes in LH profiles of ewes selected for and against an early lambing date, JF, Smith, RM Briggs, J Parr, DL Johnson, and DM Duganzich , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 55, p.224-227, (1995)
1993
The date of onset of puberty in ewe lambs as an indicator of the ability to breed out-of-season, JF, Smith, J Parr, DL Johnson, and DM Duganzich , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 53, p.299-302, (1993)
Effect of diluent and storage time on pregnancy rate in ewes after intra- uterine insemination, JF, Smith, GW Asher, RM Briggs, CJ Morrow, GR Murray, JE Oliver, J Parr, FA Veldhuizen, and GC Upreti , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 53, p.295-298, (1993)
1992
Effect of oestrogen pre-treatment and duration of CIDR treatment on pattern of onset of oestrus in ewes, JF, Smith, and J Parr , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 52, p.257-260, (1992)
1991
The efficacy of used CIDR devices for synchronisation of oestrus and post-mating treatment, JF, Smith, JA Konlechner, and J Parr , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 51, p.111-116, (1991)
Factors influencing the time to onset of oestrus after synchronisation treatment in ewes, JF, Smith, JA Konlechner, and J Parr , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 51, p.117-122, (1991)
1990
Effect of oestradiol implants and protein nutrition on plasma FSH levels in ovariectomised ewes, JF, Smith, GJ Cruickshank, E Payne, J Konlechner, J Parr, LT McGowan, and RR McLaughlin , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 50, p.145-148, (1990)
Studies into the mechanisms by which nutrition influences ovulation rate: use of the ovariectomized ewe model, GJ, Cruickshank, JF Smith, J Konlechner, and J Parr , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 50, p.141-144, (1990)
1988
Seasonal changes in oestrus, ovulation and conception of Coopworth ewes treated with CIDRs and PMSG, JF, Smith, GF Cruickshank, LT McGowan, J Parr, and BJ Mortimer , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 48, p.99-102, (1988)