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Analysis of Runs of Homozygosity in Cattle Breeds
Irish researchers looking into runs of homozygosity in beef and dairy breeds could have discovered that more inbreeding takes place in pedigree dairy cattle as analysis showed greater incidences of longer runs of homozygosity in dairy breeds. ...
Managing Risk on an Expanding Farm
Herds are expanding and have been for decades. John O'Sullivan's farm in Co. Kerry is no exception and he offers advice on how to grow your business safely through methods like; properly assessing the quality of leased land, grass budgeting and using...
Implicating Culicoides Biting Midges as Vectors of Schmallenberg Virus
The recent unprecedented emergence of arboviruses transmitted by Culicoides biting midges in northern Europe has necessitated the development of techniques to differentiate competent vector species. ...
Yerba Mate (Ilex paraguariensis) As Strategic Supplement for Dairy Cows
Supplementing Yerba Mate results in lower oxidative stress which has positive effects on production and fertility, according to Pietro Celi at the University of Sydney. ...
Can Sexed Semen Accelerate Expansion in Irish Dairy Herds?
The opportunities offered by sexed semen to the dairy industry are extensive with a 90 per cent gender bias capability, writes the Irish Agriculture and Food Development Authority....
Pastured Heifers Grow Well and Have Productive First Lactations
Pastured dairy heifers in long running field trials have performed as well and better than heifer housed indoors, according to research started in 1989 by the Centre for Integrated Agricultural System. ...
The Effect of Genetic Merit for Fertility Traits on Regulation of the Somatotropic Axis in Hepatic Tissue in Holstein cows
An in depth look into the complex science behind genetic traits for fertility is given in this project outline by researchers at Teagasc....
Iowa State University Animal Industry Report 2013
A compilation of the reports from the Department of Animal Science at Iowa State University published in its 2013 'Animal Industry Report'....
Genetic Parameters for Perinatal Mortality in Irish Dairy Cattle
The Animal and Grassland Innovations Centre and TEAGASC have gathered data from Irish Cattle Breeding Federation for the years 2002 to 2011. They looked into whether perinatal mortality rates could be decreased through exploiting genetic variation traits....
Role of Breeding, Genetics in the Welfare of Farm Animals
Breeding for higher productivity may be associated with a deterioration in the welfare of farm animals but genetics can also contribute to solving issues such as aggression in pigs and laying hens, according to a recent review paper. ...
Effects of Dystocia on Subsequent Performance in Dairy Cows
Researchers for TEAGASC have found that dystocia significantly impacts on milk production and reproductive performance. Building on recent work by academics such as D.P Berry and J.M Mee the report sampled over 2 million calving events since 2002 and...
Identifying Profitable Beef Bulls for Use in Irish Dairy Herds
TEAGASC Researchers at the Animal and Grassland Research and Innovations Centre have been working to create a new index which should facilitate easy identification of the most suitable beef bulls for use in dairy herds. ...
Poor Temperment Could Mean Poor Performance
Temperamental cattle can be a hazard to themselves and to the people handling them as well as to other cattle. Compared to calm cattle, cattle exhibiting a heightened temperament are noted to spend more time inspecting their surroundings or responding...
Nourishing and Managing the Dam and Calf for Optimal Lactation, Reproduction and Immunity
Rearing programmes should be designed to take into account long-term consequences on milk yield, according to Dr Alex Bach of IRTA, Spain, at a recent symposium on ruminant nutrition. ...
Dairy Reproductive Management Using AI
Reproductive efficiency of the dairy herd is important to the economic success of the dairy operation. Michael Looper, Professor of Animal Science at the University of Arkansas discussed artificial insemination for dairy reproductive management....
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