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AbstractFull Text

Pasture-based ruminant production systems are dependent upon the supply and utilisation of high quality swards to maximise animal performance within the grass based system. The aim of this study is to investigate the influence of high genetic merit ewes from two origins: New Zealand (NZ) and...

Author(s)
McGovern, F. M.; Fetherstone, N.; Creighton, P.; McHugh, N.
Publisher
Teagasc, Animal & Grassland Research and Innovation Centre, Fermoy, Irish Republic
Citation
Sustainable meat and milk production from grasslands. Proceedings of the 27th General Meeting of the European Grassland Federation, Cork, Ireland, 17-21 June 2018, 2018, pp 416-418
Abstract

Pre-weaning lamb growth rates have dramatically increased on the hill country property Tempello, from 258 g/head/day in 2001 to 350 g/head/day in 2007. Total kilograms of lamb liveweight weaned off the Corriedale and Corriedale/Poll Dorset flock area has increased from 60 tonnes to 76 tonnes,...

Author(s)
Grigg, D. W.; Grigg, J. M.; Lucas, R. J.
Publisher
New Zealand Grassland Association, Dunedin, New Zealand
Citation
Proceedings of the New Zealand Grassland Association, 2008, 70, pp 25-29
Abstract

Gastrointestinal parasitism is one of the most important challenges facing low chemical or organic livestock production systems but also conventional farmers as resistance to anthelmintics becomes more widespread. Young twin-born and reared lambs were challenged for 5 days (Experiment 1) or trickle ...

Author(s)
Dynes, R. A.; Moss, R. A.; Bray, A. R.; McAnulty, R. W.
Publisher
New Zealand Grassland Association, Dunedin, New Zealand
Citation
Proceedings of the New Zealand Grassland Association, 2006, 68, pp 139-142
Abstract

A 2-year longitudinal observational study of 15 red deer farms was carried out in New Zealand from March 1992. Both years combined, 3364 adult and 653 yearling hinds were diagnosed pregnant in June by ultrasound scanning and monitored for reproductive success up to weaning. At weaning, pre-rut at...

Author(s)
Audigé, L. J. M.; Wilson, P. R.; Morris, R. S.
Citation
Preventive Veterinary Medicine, 2000, 44, 3/4, pp 189-204
Abstract

In 2 factorial experiments, the effects of preweaning growth rate (slow, medium or fast), lamb rearing rank (single or twin) and ewe tooth condition on growth rate of lambs raised on low or high pasture allowances during the postweaning period were studied. Preweaning treatments had no effect on...

Author(s)
Bray, A. R.; Moss, R. A.; Burton, R. N.; Saville, D. J.
Citation
Proceedings of the New Zealand Society of Animal Production, 1990, 50, pp 287-291
Abstract

In studies in 1979-1981 on Marshall Romney (MR) and control Romney (CR) ewes mated with MR or CR rams, lamb survival was 8.5% higher for lambs born to MR ewes and 5.5% higher for lambs sired by MR rams. The improved survival of lambs from MR ewes was associated with a lower incidence of dystocia...

Author(s)
Knight, T. W.; Lynch, P. R.; Hall, D. R. H.; Hockey, H. U. P.
Citation
New Zealand Journal of Agricultural Research, 1988, 31, 3, pp 259-271
Abstract

The causes of lamb mortality in 2 highly prolific Booroola Merino × Romney Marsh (RM) flocks (mean litter size 1.83-2.45) and a RM flock of medium prolificacy (litter size 1.4) were determined by autopsy. Causes of death were categorised into 6 major groups (prenatal, dystocia, prolonged birth,...

Author(s)
Hinch, G. N.; Davis, G. H.; Crosbie, S. F.; Kelly, R. W.; Trotter, R. W.
Citation
Animal Reproduction Science, 1986, 12, 1, pp 47-61
Abstract

In a herd comprising 250 red, wapiti and wapiti × red deer ♀♀ in New Zealand, calf mortality in the 1983-84 and 1984-85 calving seasons was 7%. For 46 calves examined post mortem, 24, 24 and 24% of deaths resp. were due to stillbirths, dystocia and mismothering. Of the stillborn calves, 8 were ♂♂...

Author(s)
Gill, J. M.
Publisher
New Zealand Veterinary Association, Auckland, New Zealand
Citation
Proceedings of a Deer Course for Veterinarians, Ashburton, July 1985., 1985, pp 186-192
Abstract

Fitch (ferret) farming is a comparatively new enterprise in New Zealand. There are already some 3500 imported stock, along with captured feral New Zealand animals. Some data on productivity and reproduction on New Zealand farms are tabulated. The number of litters produced per year varies from 0.9...

Author(s)
Giles, K. H.
Citation
Proceedings of the New Zealand Society of Animal Production, 1984, 44, pp 61-62
Abstract

Dosing Merino ewes with 5 mg selenium approximately 17 days before mating significantly reduced the proportion of barren ewes by 12% in three out of four trials. The reduction in barrenness associated with pre-mating selenium administration was greater for ewes grazing ryegrass/clover pastures...

Author(s)
Scales, G. H.
Citation
Proceedings of the New Zealand Society of Animal Production, 1974, 34, pp 103-113

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