@conference {40765,
	title = {Assessing the value of breeding technologies to dairy farmers},
	booktitle = {Proceedings of the New Zealand Society of Animal Production},
	volume = {56},
	year = {1996},
	month = {Jan},
	pages = {22-24},
	publisher = {New Zealand Society of Animal Production},
	organization = {New Zealand Society of Animal Production},
	abstract = {The adoption of technologies for breeding dairy cattle requires  estimating the financial return to dairy farmers in conjunction with assessing  the financial implications to the breeding company. This paper describes a  procedure currently used by the Livestock Improvement Corporation. The net on-farm income generated as a result of the new technology is  calculated. This is discounted to a Net Present Value allowing for the cost of  the technology. A positive NPV indicates the adoption of the technology is  of benefit to the dairy farmer. The breeding company also should assess the funding implications of any  change. Typically this is expressed in terms of the increase/decrease in price  of products and services.},
	issn = {1176-5283},
	author = {Rendel J and Jackson R and Harris B and Allison T and Shannon P and Burton L and Tempero H}
}
@conference {40768,
	title = {Sperm numbers, semen age and fertility in fresh and frozen bovine semen},
	booktitle = {Proceedings of the New Zealand Society of Animal Production},
	volume = {56},
	year = {1996},
	month = {Jan},
	pages = {31-34},
	publisher = {New Zealand Society of Animal Production},
	organization = {New Zealand Society of Animal Production},
	abstract = {The consequence of a seasonal mating pattern is that a significant  amount of semen from the top sires is required during this intensive mating  period to satisfy the demand. To utilise semen from these top sires  efficiently, liquid semen technology has been extensively used in New  Zealand. This paper describes the essential physiological differences  between liquid and frozen semen and their relative advantages and  disadvantages. Alternative technologies such as freezing semen in bulk and  later rediluted for use as liquid semen can be used to overcome the  constraints of an intensive mating season. },
	issn = {1176-5283},
	author = {Vishwanath R and Pitt CJ and Shannon P}
}
@conference {40463,
	title = {A prototype sire evaluation for New Zealand dairy cattle},
	booktitle = {Proceedings of the New Zealand Society of Animal Production},
	volume = {53},
	year = {1993},
	month = {Jan},
	pages = {91-94},
	publisher = {New Zealand Society of Animal Production},
	organization = {New Zealand Society of Animal Production},
	abstract = {Growth of mammary epithelium is regulated by endocrine signals, local factors and sensitivity of epithelial cells to mitogens and inhibitors. This study was designed to identify how these factors interact in regulating mammogenesis and determine if breed differences exist among these factors.  Mammary epithelial cell organoids were isolated from five pairs of beef and dairy heifers (7 to 9 months of age) and cultured within collagen gels. Sera were collected from all heifers and pooled within breed for use in culture. At slaughter, explants of mammary fat pad were also prepared for culture.  Culture treatments were arranged in a 2x2x3x4 factorial design. Factors included source of cells (beef or dairy), addition of growth factors (10 ng/ml IGF-I + 50 ng/ml EGF or control), source of mammary fat pad explants (beef, dairy or none) and source of serum added to culture media at 5\% final concentration (beef, dairy, foetal calf serum, or none). Mammary growth was assessed as incorporation of [3H]thymidine into DNA. Mammary epithelial cells from beef heifers grew more rapidly than dairy cells (2518 vs 1192) cpm/ug; P<0.01). Growth of epithelia was enhanced by addition of growth factors (2265 vs 1445 cpm/ug; P<0.01). Sera from both beef and dairy heifers stimulated growth 2-fold compared to no serum (P<0.01), but addition of mammary fat inhibited epithelial growth (P<0.05). Cells from beef heifers were also more responsive to addition of serum and growth factors. These findings demonstrate that multiple factors interact to control mammary growth. Mammary fat pad of ruminants, unlike rodents, appears to inhibit epithelial growth.},
	issn = {1176-5283},
	author = {Garrick DJ and Harris BL and Shannon P and Sosa-Ferreyra C}
}
@conference {40216,
	title = {The future impact of new opportunities in reproductive physiology and molecular biology on genetic improvement programmes},
	booktitle = {Proceedings of the New Zealand Society of Animal Production},
	volume = {50},
	year = {1990},
	month = {Jan},
	pages = {197-210},
	publisher = {New Zealand Society of Animal Production},
	organization = {New Zealand Society of Animal Production},
	abstract = {During the serious outbreak of facial eczema (FE) in 1989, blood   samples were obtained from first-lactation heifers born in 1986, in   order to study any genetic influence on the incidence of FE. Heifers   were located in 60 herds in Northland (14 herds), Auckland (25) and   Taranaki (21). The herds were members of the New Zealand Dairy Board{\textquoteright}s   1985 Sire Proving Scheme for young Jersey bulls. Samples were collected   from 1523 heifers, the daughters of 57 young Jersey sires and 19 other   Jerseys including reference sires from previous years. Blood samples   were analysed for gamma-glutamyltransferase (GGT), an indicator of liver   damage such as due to FE. Overall, 28\% of animals had elevated GGT   values (>=30IU/1), and 72\% (43) of herds had 2 or more animals with   elevated GGT. After setting aside data from the 17 herds where no   elevations of GGT concentration were recorded, the heritability of log e   GGT was 0.31},
	issn = {1176-5283},
	author = {Baker RL and Shannon P and Garrick DJ and Blair HT and Wickham BW}
}
@conference {40090,
	title = {Factors affecting AB conception rates in cattle},
	booktitle = {Proceedings of the New Zealand Society of Animal Production},
	volume = {48},
	year = {1988},
	month = {Jan},
	pages = {61-64},
	publisher = {New Zealand Society of Animal Production},
	organization = {New Zealand Society of Animal Production},
	abstract = {A flock of 224 Dorset x Romney ewes was converted from September lambing in 1977 to 96\% autumn lambing (mean 16 May) in 1983 while increasing flock size by 50\%. Although various techniques of oestrous induction through teasing were used, it was considered that simply introducing entire rams at least 1 cycle before successful tupping was required, eventually gave good results. Four autumn lambing the interval between joining and the first known conception of mature ewe was 35 d during the early years, and declined to 5 d in 1983 to 1987. This decline is suggested to be a genetic change. After the capacity for out-of-season breeding had been developed in all ewes (1982 to 1987), ewes lambing in spring, when subsequently mated to lamb in autumn after a 7 month lambing interval, showed only an 8\% disadvantage in conception over those mated to lamb in the following spring after a 12 month lambing interval. Changes in the flock were brought about by culling of spring-lambing ewes and selection of replacements primarily from early lambers. From 1980, rams born to early lambing ewes were used and their first offspring lambed in 1982. This appears to have had a marked effect on 2-tooth lambing times.},
	issn = {1176-5283},
	author = {Visser A and Shannon P and Wickham BW}
}
@conference {39777,
	title = {Fertility of inactivated bovine sperm},
	booktitle = {Proceedings of the New Zealand Society of Animal Production},
	volume = {42},
	year = {1982},
	month = {Jan},
	pages = {91-92},
	publisher = {New Zealand Society of Animal Production},
	organization = {New Zealand Society of Animal Production},
	abstract = {A semen washing technique employing Ficoll density gradient centrifugation was used to separate ram spermatozoa and seminal plasma. While this technique caused a loss of spermatozoan motility, it was shown by CA2+ flux measurements that these immotile ram spermatozoa still had intact plasma membranes. Furthermore, these immotile spermatozoa were shown to be resistant to cold-shock, a treatment which normally disrupts the sperm plasma membrane. Spermatozoa were shown to be resistant to cold-shock, a treatment which normally disrupts the sperm plasma membrane. Spermatozoan motility was restored by suspending the immotile spermatozoa in diluents containing egg yolk or phospholipids. Ficoll washing appeared to exert its effect on the sperm plasma membrane by an alteration in the membrane lipid components.},
	issn = {1176-5283},
	author = {Shannon P and Curson B and Pitt CJ}
}
@conference {39778,
	title = {Fertility of inactivated ram sperm},
	booktitle = {Proceedings of the New Zealand Society of Animal Production},
	volume = {42},
	year = {1982},
	month = {Jan},
	pages = {93-94},
	publisher = {New Zealand Society of Animal Production},
	organization = {New Zealand Society of Animal Production},
	abstract = {With very few exceptions, consumers are becoming more discerning in their meat buying habits. This relates to such aspects as attractiveness of presentation, price, ease and quickness of preparation and cooking, degree of waste and fat content. The impact of these factors on consumption of red meat and red meat exports from New Zealand are examined with particular reference to response required from producers if they are to contribute effectively to maintain New Zealand{\textquoteright}s status as a premier export meat nation.},
	issn = {1176-5283},
	author = {Tervit HR and James RW and Shannon P and Tillot M}
}
@conference {39672,
	title = {Laser light scattering as a probe of sperm motility},
	booktitle = {Proceedings of the New Zealand Society of Animal Production},
	volume = {40},
	year = {1980},
	month = {Jan},
	pages = {124-129},
	publisher = {New Zealand Society of Animal Production},
	organization = {New Zealand Society of Animal Production},
	issn = {1176-5283},
	author = {Woolford MW and Woolhouse JK and Phillips DSM and Hawley SA and Harvey JD and Shannon P and Curson B}
}
@conference {39463,
	title = {Anti-bacterial activity of seminal plasma and other tissues},
	booktitle = {Proceedings of the New Zealand Society of Animal Production},
	volume = {35},
	year = {1975},
	month = {Jan},
	pages = {61-64},
	publisher = {New Zealand Society of Animal Production},
	organization = {New Zealand Society of Animal Production},
	issn = {1176-5283},
	author = {Shannon P and Curson B and Twomey A and Molan PC}
}
@conference {39420,
	title = {Anti-bacterial and anti-sperm effect of seminal plasma},
	booktitle = {Proceedings of the New Zealand Society of Animal Production},
	volume = {34},
	year = {1974},
	month = {Jan},
	pages = {61-64},
	publisher = {New Zealand Society of Animal Production},
	organization = {New Zealand Society of Animal Production},
	issn = {1176-5283},
	author = {Shannon P and Twomey A and Curson B}
}
@conference {39383,
	title = {Factors affecting storage of semen},
	booktitle = {Proceedings of the New Zealand Society of Animal Production},
	volume = {33},
	year = {1973},
	month = {Jan},
	pages = {40-48},
	publisher = {New Zealand Society of Animal Production},
	organization = {New Zealand Society of Animal Production},
	issn = {1176-5283},
	author = {Shannon P}
}
@conference {39319,
	title = {Presidential Address: Improving Beef Cattle},
	booktitle = {Proceedings of the New Zealand Society of Animal Production},
	volume = {31},
	year = {1971},
	month = {Jan},
	pages = {1-9},
	publisher = {New Zealand Society of Animal Production},
	organization = {New Zealand Society of Animal Production},
	issn = {1176-5283},
	author = {Shannon P}
}
@conference {39296,
	title = {Storage of ram semen at ambient temperatures},
	booktitle = {Proceedings of the New Zealand Society of Animal Production},
	volume = {30},
	year = {1970},
	month = {Jan},
	pages = {51},
	publisher = {New Zealand Society of Animal Production},
	organization = {New Zealand Society of Animal Production},
	issn = {1176-5283},
	author = {Welch RAS and Shannon P}
}
@conference {39240,
	title = {Advances in Semen Dilution},
	booktitle = {Proceedings of the New Zealand Society of Animal Production},
	volume = {28},
	year = {1968},
	month = {Jan},
	pages = {23-31},
	publisher = {New Zealand Society of Animal Production},
	organization = {New Zealand Society of Animal Production},
	issn = {1176-5283},
	author = {Shannon P}
}
@conference {39149,
	title = {Dairy herd fertility},
	booktitle = {Proceedings of the New Zealand Society of Animal Production},
	volume = {22},
	year = {1962},
	month = {Jan},
	pages = {139},
	publisher = {New Zealand Society of Animal Production},
	organization = {New Zealand Society of Animal Production},
	issn = {1176-5283},
	author = {Shannon P}
}
