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Abstract

In the 1st of 2 experiments, 198 sows were tethered in "partial farrowing crates" and 116 sows were restrained in farrowing crates with gates. There were no significant differences between the 2 groups for number of liveborn piglets, percentage of piglets born dead or preweaning piglet mortality.
...

Author(s)
Lynch, P. B.
Publisher
Dublin, Irish Republic
Citation
Animal production. Report from Dunsinea, Moorepark and Western Research Centres. Research report 1982., 1983, pp 69-70
Abstract

The performances of sows kept in individual stalls, or tethered in a farrowing house during pregnancy were compared. There were no significant differences between groups for litter size at birth and weaning, piglet mortality or the interval from weaning to mating in sows.

Author(s)
Lynch, P. B.; O'Grady, J. F.; Kearney, P. A.
Publisher
Dublin, Irish Republic
Citation
Animal production. Report from Dunsinea, Moorepark and Western Research Centres. Research report 1982., 1983, pp 70-71
Abstract

At day 108-110 of pregnancy 167 sows, ranging in age from the first to the 13th parity were given until farrowing 2 kg daily of a standard diet with digestible energy 12.5 MJ/kg and lysine 0.6%. For the treatment group this included ascorbic acid 1 g/kg feed daily. The period during which the diets ...

Author(s)
Lynch, P. B.; O'Grady, J. F.
Citation
Irish Journal of Agricultural Research, 1981, 20, 2/3, pp 217-219
Abstract

Over 4100 pigs were weighed after birth. Preweaning mortality decreased from 78% for the 2% of pigs weighing less than or equal to 0.6 kg to 25% for the 8% weighing less than or equal to 1.0 kg, 14% for the 19% weighing less than or equal to 1.4 kg, and 4% for the 2% weighing >2.0 kg. 20% of the ...

Author(s)
Lynch, P. B.; Kearney, P. A.; O'Grady, J. F.
Publisher
An Foras Taluntais., Dublin, Irish Republic
Citation
Irish Republic, Agricultural Institute, Dublin: Animal production. Report from Dunsinea, Moorepark and Western Research Centres, Research report 1979., 1980, pp 65-66
Abstract

In an experiment involving 24 sows, animals kept at a constant 27 deg C, those subjected to daily temp. variation from 19 deg to 27 deg , and those subjected to constant 27 deg for 5 days and variation from 19 deg to 27 deg for 2 days/wk consumed an average of 3.8, 4.0 and 3.8 kg feed/day resp.,...

Author(s)
Lynch, P. B.
Publisher
An Foras Taluntais., Dublin, Irish Republic
Citation
Irish Republic, Agricultural Institute, Dublin: Animal production. Report from Dunsinea, Moorepark and Western Research Centres. Research report 1978., 1979, pp 127
Abstract

In an experiment to determine the accuracy with which the time of farrowing could be predicted following an injection with the prostaglandin analogue cloprostenol 150 pregnant sows were divided into three treatment groups. A control group of 50 sows were not treated. A second group (B) were...

Author(s)
Lynch, P. B.; Langley, O. H.
Citation
Irish Journal of Agricultural Research, 1977, 16, 3, pp 259-265
Abstract

Sows were exposed to an air temperature of 27 deg or 21 deg C at 75% relative humidity from day 110 of pregnancy to weaning at 31 days after parturition. At the higher temperature sows had higher rectal temperature and respiration rate, ate less feed and lost more weight in lactation. The young...

Author(s)
Lynch, P. B.
Citation
Irish Journal of Agricultural Research, 1977, 16, 2, pp 123-130