@conference {40599, title = {Variation in the pH of lamb meat within and between sheep breeds}, booktitle = {Proceedings of the New Zealand Society of Animal Production}, volume = {54}, year = {1994}, month = {Jan}, pages = {201-204}, publisher = {New Zealand Society of Animal Production}, organization = {New Zealand Society of Animal Production}, abstract = {Serial measurements of the pH of the longissimus dorsi muscle were obtained from lambs of 22 sire groups of six sire breeds (Experiment 1) and in 14 sire groups of lines selected for Fast and Slow Glucose Clearance (Experiment 2). Lamb sex (ewe, wether) and carcass weight and leanness had little effect on meat pH. Sire breed had significant effects on pH at 1 and 24 hours post mortem, and selection line had significant effects between 1 and 4 hours post mortem. These effects were greater on slaughter dates when pH levels were higher. Variation between individual sires was sufficient to account for some differences between sire breeds and selection lines. Differences between sire breeds and selection lines were found from the time of first pH measurement after slaughter through until ultimate pH was reached. This suggests that there were differences in the rate of glycogen breakdown to lactic acid immediately after slaughter or during electrical stimulation, as well as differences in the amount of glycogen in the muscle at slaughter. These findings confirm that lamb genotype can influence meat pH and thus will affect commercially important meat properties. }, issn = {1176-5283}, author = {Bray AR and Young SR and Scales GH} } @conference {40063, title = {A comparison of lamb growth rate and lean carcass gain within and among farm flocks}, booktitle = {Proceedings of the New Zealand Society of Animal Production}, volume = {47}, year = {1987}, month = {Jan}, pages = {99-100}, publisher = {New Zealand Society of Animal Production}, organization = {New Zealand Society of Animal Production}, abstract = {The viability of a number of bull beef production systems integrated with sheep, within summer dry and summer wet hill country environments were examined using a spreadsheet feed budget simulation model. A survey of commercial hill country farmers was also undertaken to identify on-farm problems and opportunities. The study demonstrated that bull beef systems can be profitably integrated with sheep on hill country, and that farming bulls for beef on hill country is likely to increase. Survey farmers had few problems with bull misbehaviour and had achieved liveweight gains similar to or higher than those used for modelling purposes throughout the year, although not consistently during the autumn and winter. These farmers could improve profitability by setting up a separate wintering area for bulls or integrating their grazing with ewe hoggets rather than older sheep.}, issn = {1176-5283}, author = {Geenty KG and Dyson CB and Scales GH and Ward C} } @conference {39720, title = {Summer ill-thrift in lambs}, booktitle = {Proceedings of the New Zealand Society of Animal Production}, volume = {41}, year = {1981}, month = {Jan}, pages = {112-116}, publisher = {New Zealand Society of Animal Production}, organization = {New Zealand Society of Animal Production}, issn = {1176-5283}, author = {Scales GH and Moss RA and Burton RN} } @conference {39599, title = {Compensatory growth of beef cattle}, booktitle = {Proceedings of the New Zealand Society of Animal Production}, volume = {38}, year = {1978}, month = {Jan}, pages = {141}, publisher = {New Zealand Society of Animal Production}, organization = {New Zealand Society of Animal Production}, issn = {1176-5283}, author = {Scales GH and Taylor AG} } @conference {39548, title = {The influence of pre- and post-calving nutrition on beef cow and calf performance}, booktitle = {Proceedings of the New Zealand Society of Animal Production}, volume = {37}, year = {1977}, month = {Jan}, pages = {96-102}, publisher = {New Zealand Society of Animal Production}, organization = {New Zealand Society of Animal Production}, issn = {1176-5283}, author = {Scales GH and Stevenson JR and Platt MP} } @conference {39556, title = {Reproductive performance of ewes mated on lucerne}, booktitle = {Proceedings of the New Zealand Society of Animal Production}, volume = {37}, year = {1977}, month = {Jan}, pages = {152-157}, publisher = {New Zealand Society of Animal Production}, organization = {New Zealand Society of Animal Production}, issn = {1176-5283}, author = {Scales GH and Moss RA and Kelly RW} } @conference {39483, title = {Winter performance of beef weaners fed untreated and formaldehyde-treated wilted lucerne silages and hay}, booktitle = {Proceedings of the New Zealand Society of Animal Production}, volume = {35}, year = {1975}, month = {Jan}, pages = {160-166}, publisher = {New Zealand Society of Animal Production}, organization = {New Zealand Society of Animal Production}, issn = {1176-5283}, author = {Scales GH and Barry TN} } @conference {39432, title = {Reproductive Performance of Merino Ewes Dosed with Selenium Prior to Mating}, booktitle = {Proceedings of the New Zealand Society of Animal Production}, volume = {34}, year = {1974}, month = {Jan}, pages = {103-113}, publisher = {New Zealand Society of Animal Production}, organization = {New Zealand Society of Animal Production}, issn = {1176-5283}, author = {Scales GH} } @conference {39325, title = {Compensatory Growth in Yearling Beef Cattle}, booktitle = {Proceedings of the New Zealand Society of Animal Production}, volume = {31}, year = {1971}, month = {Jan}, pages = {51-61}, publisher = {New Zealand Society of Animal Production}, organization = {New Zealand Society of Animal Production}, issn = {1176-5283}, author = {Scales GH and Lewis KHC} }