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Relevant bibliographies by topics / Irish dairy herds

Academic literature on the topic 'Irish dairy herds'

Author: Grafiati

Published: 10 December 2022

Last updated: 28 January 2023

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Journal articles on the topic "Irish dairy herds"

1

Kelly, P. T., K. O’Sullivan, D. P. Berry, B. O’Brien, E. J. O’Callaghan, M. Rath, and W. J. Meaney. "Herd factors affecting somatic cell count in Irish dairy herds." Proceedings of the British Society of Animal Science 2007 (April 2007): 102. http://dx.doi.org/10.1017/s1752756200020056.

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The Irish milk payment system penalises against high milk somatic cell count (SCC). Previous studies have related farm management practices to herd SCC (Barkema et al., 1998); however similar study has never been undertaken in Ireland. Furthermore, these previous studies have generally been conducted in confined systems. The objective of this study was to investigate potential management factors affecting herd SCC in Irish, spring calving, grass based dairy herds.

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Bermingham, M. L., S. J. More, M. Good, A. R. Cromie, I. M. Higgins, S. Brotherstone, and D. P. Berry. "Genetics of tuberculosis in Irish Holstein-Friesian dairy herds." Journal of Dairy Science 92, no. 7 (July 2009): 3447–56. http://dx.doi.org/10.3168/jds.2008-1848.

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3

Boland, F., G. E. Kelly, M. Good, and S. J. More. "Bovine tuberculosis and udder health in Irish dairy herds." Veterinary Journal 192, no. 1 (April 2012): 71–74. http://dx.doi.org/10.1016/j.tvjl.2011.04.004.

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Barrett, Damien. "The changing face of mastitis in Irish dairy herds." Veterinary Record 173, no. 1 (July 5, 2013): 15–16. http://dx.doi.org/10.1136/vr.f4067.

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O'Farrell, KJ, and J. Crilly. "First Service Calving Rates In Irish Dairy Herds: Trends From 1991-1996." BSAP Occasional Publication 26, no. 2 (September 2001): 353–58. http://dx.doi.org/10.1017/s0263967x00033899.

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AbstractIn Ireland, surveys in the 1970's have shown calving rates to first service of 60-69%. Since then genetic merit and milk yield per cow have increased significantly. The objectives of this study were to determine calving rates in Irish dairy herds for the period 1991-1996 and if these had declined over time. Breeding records for 58 Spring calving commercial dairy herds maintained on the computerised DAIRYMIS System were analysed. Inseminations were categorised as either DIY AI (DIY), commercial AI (COM) or Natural Service (NAT). Between 1991 and 1996 there was a significant trend towards DIY (P<0.01) and away from NAT (P<0.01) with no consistent trend in COM usage. In 1991, roughly one third of services were to each of the three service methods but by 1996 DIY accounted for nearly 50% of all services. A subset of 34 herds, which had been present for at least five of the six years between 1991 and 1996, was used in the calving rate analysis. Calving rates to first service for DIY (48.4%) and NAT (46.0%) were not significantly different although both were significantly lower (P<0.001) than those for COM (54.5%). For small (<65), medium (65-128) and large herds (˃128) the respective proportion of services in each category were 22%, 44% and 34%. The respective calving rates of 55.2%, 51.6% and 45.7% declined significantly as herd size increased For all service types, there was a significant (P<0.001) decline in first service calving rate over time. The increased usage of DIY, combined with its lower fertility rates, would appear to be one factor responsible for the reduction in calving rate for 1991-1996 period.

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Lynch, M. J., E. M. Fox, L. O’Connor, K. Jordan, and M. Murphy. "Surveillance of Verocytotoxigenic Escherichia coli in Irish Bovine Dairy Herds." Zoonoses and Public Health 59, no. 4 (November 30, 2011): 264–71. http://dx.doi.org/10.1111/j.1863-2378.2011.01443.x.

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7

Barrett, Damien J., Michael L. Doherty, and Anne M. Healy. "A descriptive epidemiological study of mastitis in 12 Irish dairy herds." Irish Veterinary Journal 58, no. 1 (2005): 31. http://dx.doi.org/10.1186/2046-0481-58-1-31.

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8

DILLON, E. J., T. HENNESSY, and J. CULLINAN. "Measuring the economic impact of improved control of sub-clinical mastitis in Irish dairy herds." Journal of Agricultural Science 153, no. 4 (January 8, 2015): 666–75. http://dx.doi.org/10.1017/s0021859614001178.

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SUMMARYImprovements in milk quality are important if the Irish dairy industry is to grow sustainably and retain a competitive advantage in a post-quota environment. In this regard, superior animal health has an important role to play. In order to reduce the costs of disease and to improve best practice it is important to demonstrate the economic gains achievable from improved dairy herd health. Elevated levels of somatic cell count (SCC) are an indicator of the prevalence of clinical and sub-clinical mastitis in dairy herds. Nationally representative farm-level data for Ireland (2008–2011) and panel data methods are used here to consider the independent effect of herd-level SCC (an annual weighted average figure based on monthly milk bulk tank readings) on both milk yield and gross margin per cow. Results indicate a 2% reduction in productivity for farms with SCC above 400 (‘000 cells/ml), while a reduction in bulk tank SCC from 400 to 300 (‘000 cells/ml) for the average herd (55 cows) results in an annual increase in gross margin of €1045. The impact of a range of herd management practices on SCC is also considered, with such practices shown to be important in influencing animal health.

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Daly, M., E. Power, J. Björkroth, P. Sheehan, A. O’Connell, M. Colgan, H. Korkeala, and S. Fanning. "Molecular Analysis of Pseudomonas aeruginosa: Epidemiological Investigation of Mastitis Outbreaks in Irish Dairy Herds." Applied and Environmental Microbiology 65, no. 6 (June 1, 1999): 2723–29. http://dx.doi.org/10.1128/aem.65.6.2723-2729.1999.

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ABSTRACT Pseudomonas aeruginosa is a pathogen in both humans and animals. This bacterium, most often associated with respiratory infections in cystic fibrosis patients, was found to be the causative agent in bovine mastitis outbreaks among 11 Irish dairy herds. Epidemiological findings suggested that the infection was spread to all herds by teat wipes that had been contaminated with this organism. Two molecular-typing strategies were used in an attempt to determine the genomic relationship(s), if any, of the P. aeruginosastrains isolated from the various herds and to verify whether the same strain was responsible for each outbreak. Thirty-six isolates from the mastitis outbreaks were tested and compared to fourteen clinical isolates from Cork University Hospital. With one exception, all outbreak-linked strains produced identical patterns when ribotyped withClaI and PvuII enzymes. Eight of the clinical isolates gave the same ClaI ribotype pattern as the mastitis-causing strains. However, PvuII proved more discriminatory, with only the outbreak isolates producing identical patterns. Similar results were obtained with RW3A-primed DNA amplification fingerprinting, with all outbreak isolates except one displaying the same fingerprint array. The clinical strains produced several fingerprint patterns, all of which were different from those of the mastitis-causing isolates. Fine-resolution DNA fingerprinting with a fluorescence-labelled RW3A primer also identified a number of low-molecular-weight polymorphisms that would have remained undetected by conventional methods. These data support the view that the sameP. aeruginosa strain was responsible for the mastitis outbreaks in all 11 herds.

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10

Selemetas, Nikolaos, Paul Phelan, Padraig O’Kiely, and Theo De Waal. "Cluster analysis of fasciolosis in dairy cow herds in Munster province of Ireland and detection of major climatic and environmental predictors of the exposure risk." Geospatial Health 9, no. 2 (March 19, 2015): 271. http://dx.doi.org/10.4081/gh.2015.349.

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Fasciolosis caused by <em>Fasciola hepatica</em> is a widespread parasitic disease in cattle farms. The aim of this study was to detect clusters of fasciolosis in dairy cow herds in Munster Province, Ireland and to identify significant climatic and environmental predictors of the exposure risk. In total, 1,292 dairy herds across Munster was sampled in September 2012 providing a single bulk tank milk (BTM) sample. The analysis of samples by an in-house antibody-detection enzyme-linked immunosorbent assay (ELISA), showed that 65% of the dairy herds (n = 842) had been exposed to <em>F. hepatica</em>. Using the Getis-Ord Gi* statistic, 16 high-risk and 24 low-risk (P <0.01) clusters of fasciolosis were identified. The spatial distribution of high-risk clusters was more dispersed and mainly located in the northern and western regions of Munster compared to the low-risk clusters that were mostly concentrated in the southern and eastern regions. The most significant classes of variables that could reflect the difference between high-risk and low-risk clusters were the total number of wet-days and rain-days, rainfall, the normalized difference vegetation index (NDVI), temperature and soil type. There was a bigger proportion of well-drained soils among the low-risk clusters, whereas poorly drained soils were more common among the high-risk clusters. These results stress the role of precipitation, grazing, temperature and drainage on the life cycle of <em>F. hepatica</em> in the temperate Irish climate. The findings of this study highlight the importance of cluster analysis for identifying significant differences in climatic and environmental variables between high-risk and low-risk clusters of fasciolosis in Irish dairy herds.

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Book chapters on the topic "Irish dairy herds"

1

Meaney, W. J., and J. Egan. "Summer Mastitis in Irish Dairy Herds." In Summer Mastitis, 10–13. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3373-6_2.

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