Animal science, Herd, Culling, Ice calving and Pregnancy are his primary areas of study. His Animal science research incorporates elements of Meal and Feed conversion ratio. His Herd study incorporates themes from Insemination and Artificial insemination.
His research in Culling tackles topics such as Seasonality which are related to areas like Net return, Pregnancy rate and Late summer. His research integrates issues of Animal breeding and Risk factor in his study of Ice calving. His study explores the link between Pregnancy and topics such as Reproduction that cross with problems in Abortion and Gestation.
His scientific interests lie mostly in Animal science, Herd, Lactation, Culling and Ice calving. The Animal science study combines topics in areas such as Pregnancy, Insemination, Artificial insemination and Reproduction. His Herd research is multidisciplinary, incorporating perspectives in Animal breeding, Parity and Seasonality.
In the field of Lactation, his study on Milk yield overlaps with subjects such as Milk fat. He works mostly in the field of Culling, limiting it down to concerns involving Sire and, occasionally, Crossbreed. He works mostly in the field of Ice calving, limiting it down to topics relating to Milk production and, in certain cases, Body condition score, as a part of the same area of interest.
His primary areas of investigation include Animal science, Herd, Lactation, Ice calving and Culling. His studies deal with areas such as Lactose, Multivariate statistics and Linear regression as well as Animal science. His Herd research is multidisciplinary, relying on both Metritis, Animal breeding, Milk yield and Artificial insemination.
The study incorporates disciplines such as Offspring, Gestation and Parity in addition to Lactation. His Culling research integrates issues from Dairy cattle, Pregnancy rate and Longevity. His studies in Pregnancy rate integrate themes in fields like Incidence and Reproduction.
His main research concerns Animal science, Herd, Culling, Ice calving and Longevity. His specific area of interest is Animal science, where A. De Vries studies Animal breeding. His biological study spans a wide range of topics, including Offspring, Pregnancy, Ecology, Fertility and Index.
His study in Ice calving is interdisciplinary in nature, drawing from both Incidence and Reproduction. His studies in Longevity integrate themes in fields like Dairy cattle, Sustainability and Artificial insemination. A. De Vries has included themes like Agricultural economics and Sire in his Dairy cattle study.
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Effect of the estrogen receptor locus on reproduction and production traits in four commercial pig lines
T. H. Short;Max F. Rothschild;O. I. Southwood;D. G. McLaren.
Journal of Animal Science (1997)
Economic value of pregnancy in dairy cattle.
A. De Vries.
Journal of Dairy Science (2006)
Exploring the Impact of Sexed Semen on the Structure of the Dairy Industry
A. De Vries;M. Overton;J. Fetrow;K. Leslie.
Journal of Dairy Science (2008)
Dynamics of culling risk with disposal codes reported by Dairy Herd Improvement dairy herds.
P.J. Pinedo;A. De Vries;D.W. Webb.
Journal of Dairy Science (2010)
Trends and Seasonality of Reproductive Performance in Florida and Georgia Dairy Herds from 1976 to 2002
A. de Vries;C.A. Risco.
Journal of Dairy Science (2005)
Genetic parameters of pork quality and production traits in Yorkshire populations
A.G de Vries;P.G van der Wal;T Long;G Eikelenboom.
Livestock Production Science (1994)
Seasonal incidence of lameness and risk factors associated with thin soles, white line disease, ulcers, and sole punctures in dairy cattle.
A.H. Sanders;J.K. Shearer;A. De Vries.
Journal of Dairy Science (2009)
Economic comparison of reproductive programs for dairy herds using estrus detection, timed artificial insemination, or a combination
K.N. Galvão;P. Federico;A. De Vries;G.M. Schuenemann.
Journal of Dairy Science (2013)
Feed intake patterns of and feed digestibility in growing pigs housed individually or in groups
L.C.M. de Haer;A.G. de Vries.
Livestock Production Science (1993)
Economics of Delayed Replacement When Cow Performance is Seasonal
A. de Vries.
Journal of Dairy Science (2004)
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