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J P Hanrahan

Institution

Teagasc

Contact

Subjects

Veterinary

Details
Publications 59
As first author 3
As last author 11
Unique topics 318
Collaborations 32
Sources 7
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2019

Cervical mucus sialic acid content determines the ability of frozen-thawed ram sperm to migrate through the cervix
2017

A nationwide survey of anthelmintic treatment failure on sheep farms in Ireland
2017

An independent validation study of loci associated with nematode resistance in sheep.
2017

Plane of nutrition during the rearing phase for replacement ewes of four genotypes: I - effects on growth and development, and on ovulation rate at first joining.
2017

Plane of nutrition during the rearing phase for replacement ewes of four genotypes: II - effects on performance during first pregnancy and to weaning, and of their progeny.
2016

A nationwide survey of anthelmintic treatment failure on sheep farms in Ireland.
2016

Can the amount of digestible undegraded protein offered to ewes in late pregnancy affect the periparturient change in resistance to gastrointestinal nematodes?
2016

Immunogenomics of gastrointestinal nematode infection in ruminants - Breeding for resistance to produce food sustainably and safely.
2016

Trends, over 14 years, in the ground cover on an unimproved western hill grazed by sheep, and associated trends in animal performance
2015

Can the amount of digestible undegraded protein offered to ewes during late pregnancy affect the performance and immune response of their offspring to gastrointestinal nematodes?
2015

Transcriptional profiling of the ovine abomasal lymph node reveals a role for timing of the immune response in gastrointestinal nematode resistance.
2015

Variation in the Ovine Abomasal Lymph Node Transcriptome between Breeds Known to Differ in Resistance to the Gastrointestinal Nematode
2014

Direct Evidence on the Contribution of a Missense Mutation in GDF9 to Variation in Ovulation Rate of Finnsheep
2014

Effects of shearing, forage type and feed value, concentrate feed level, and protein concentration on the performance of housed finishing lambs.
2014

Response to Teladorsagia circumcincta infection in Scottish Blackface lambs with divergent phenotypes for nematode resistance
2014

Variation in the Ovine Abomasal Lymph Node Transcriptome between Breeds Known to Differ in Resistance to the Gastrointestinal Nematode.
2013

Direct evidence on the contribution of a missense mutation in GDF9 to variation in ovulation rate of Finnsheep.
2013

Effects of silage from maize crops differing in maturity at harvest, grass silage feed value and concentrate feed level on performance of finishing lambs.
2013

Investigation of Prolific Sheep from UK and Ireland for Evidence on Origin of the Mutations in BMP15 (FecXG, FecXB) and GDF9 (FecGH) in Belclare and Cambridge Sheep
2012

Anthelmintic-resistant nematodes in Irish commercial sheep flocks- the state of play
2011

A differential interplay between the expression of Th1/Th2/Treg related cytokine genes in Teladorsagia circumcincta infected DRB1*1101 carrier lambs
2011

Effect of site of deposition on the fertility of sheep inseminated with frozen-thawed semen.
2011

Ewe breed differences in fertility after cervical AI with frozen-thawed semen and associated differences in sperm penetration and physicochemical properties of cervical mucus.
2011

Gastrointestinal nematode control practices on lowland sheep farms in Ireland with reference to selection for anthelmintic resistance
2011

In vitro assessment of sperm from bulls of high and low field fertility
2011

The dynamic influence of the DRB1*1101 allele on the resistance of sheep to experimental Teladorsagia circumcincta infection
2010

A differential interplay between the expression of Th1/Th2/Treg related cytokine genes in Teladorsagia circumcincta infected DRB1*1101 carrier lambs.
2010

Gastrointestinal nematode control practices on lowland sheep farms in Ireland with reference to selection for anthelmintic resistance.
2010

Temporal studies on Fasciola hepatica in Galba truncatula in the west of Ireland.
2010

The dynamic influence of the DRB1*1101 allele on the resistance of sheep to experimental Teladorsagia circumcincta infection.
2009

A note on the use of FTA™ technology for storage of blood samples for DNA analysis and removal of PCR inhibitors
2009

An evaluation of two grassland-based systems of mid-season prime lamb production using prolific ewes of two genotypes
2009

Effect of storage duration, storage temperature, and diluent on the viability and fertility of fresh ram sperm.
2009

In vitro assessment of sperm from bulls of high and low field fertility.
2009

Screening for the presence of nematophagous fungi collected from Irish sheep pastures.
2009

The effects of allowance and frequency of allocation of deferred herbage, and grass silage feed value, when offered to ewes in mid-gestation on ewe and lamb performance and subsequent herbage yield.
2008

The comparative efficacy of four anthelmintics against a natural acquired Fasciola hepatica infection in hill sheep flock in the west of Ireland.
2007

Development and application of a PCR diagnostic assay for the accurate and rapid identification of the nematophagous fungus Duddingtonia flagrans.
2007

Effects of extended grazing during mid, late or throughout pregnancy, and winter shearing of housed ewes, on ewe and lamb performance
2007

Relationship between in vitro sperm functional tests and in vivo fertility of rams following cervical artificial insemination of ewes with frozen-thawed semen.
2006

Is there a relationship between prion protein genotype and ovulation rate and litter size in sheep?
2006

Resuspending ram spermatozoa in seminal plasma after cryopreservation does not improve pregnancy rate in cervically inseminated ewes.
2005

Hormonal relationships during the periovulatory period among ewe breeds known to differ in fertility after cervical artificial insemination with frozen thawed semen.
2005

Relationship between in vitro fertilisation of ewe oocytes and the fertility of ewes following cervical artificial insemination with frozen-thawed ram semen.
2005

Texel sheep are more resistant to natural nematode challenge than Suffolk sheep based on faecal egg count and nematode burden.
2005

The difference in embryo quality between Belclare and Suffolk ewes is not due to differences in oocyte quality.
2004

Analysis of DRB1 exon 2 genotyping by STR size analysis in Suffolk and Texel sheep breeds
2004

Differences between Belclare and Suffolk ewes in fertilization rate, embryo quality and accessory sperm number after cervical or laparoscopic artificial insemination.
2004

Intron 1 of the interferon gamma gene: Its role in nematode resistance in Suffolk and Texel sheep breeds.
2003

Aspects of reproductive performance in small ruminants--opportunities and challenges.
2003

Fertility in the ewe following cervical insemination with fresh or frozen-thawed semen at a natural or synchronised oestrus.
2003

In vitro fertilization as a predictor of fertility from cervical insemination of sheep.
2003

Integrated hill sheep production systems.
2003

Mutations in the genes for oocyte-derived growth factors GDF9 and BMP15 are associated with both increased ovulation rate and sterility in Cambridge and Belclare sheep (Ovis aries).
2001

AI For Sheep Using Frozen-thawed Semen.
2001

Effect of Grazing System and Anthelmentic Treatment of Ewes on Parasitic Challenge and Lamb Growth.
2000

Effect of freezing rate of ram spermatozoa on subsequent fertility in vivo and in vitro.
1999

Genetic and non-genetic factors affecting lamb growth and carcass quality.
1992

Variation in the timing of the reproductive season among breeds of sheep in relation to differences in photoperiodic synchronization of an endogenous rhythm.

These arethe7 unique sources for J P Hanrahan's 59 publications. A single publication may appear in multiple sources. Click on a name or publication count to see the publications for a particular source.

Source #
Ireland -> Dublin City University 1
Ireland -> Dublin City University -> PubMed 1
Ireland -> Teagasc 37
Ireland -> Teagasc -> PubMed 19
Ireland -> University College Dublin 19
Ireland -> University College Dublin -> PubMed 19
Ireland -> University of Limerick 3

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