Coppieters, Wouter, Mes, Ted HM, Druet, Tom, Farnir, Frédéric, Tamma, Nico, Schrooten, Chris, ...
Abstract Background Parasitic gastroenteritis caused by nematodes is only second to mastitis in terms of health costs to dairy farmers in developed countries. Sustainable control strategies...
Fasquelle, Corinne, Sartelet, Arnaud, Li, Wanbo, Dive, Marc, Tamma, Nico, Michaux, Charles, ...
We herein describe the positional identification of a 2-bp deletion in the open reading frame of the MRC2 receptor causing the recessive Crooked Tail Syndrome in cattle. The resulting frame-shift...
Guillaume, François, Fritz, Sébastien, Boichard, Didier, Druet, Tom
Abstract The efficiency of the French marker-assisted selection (MAS) was estimated by a simulation study. The data files of two different time periods were used: April 2004 and 2006. The simulation...
Tribout, Thierry, Iannuccelli, Nathalie, Druet, Tom, Gilbert, Hélène, Juliette, Riquet, Ronan, Gueblez, ...
Abstract A genome-wide scan was performed in Large White and French Landrace pig populations in order to identify QTL affecting reproduction and production traits. The experiment was based on a...
Accounting for heterogeneous variances in multitrait evaluation of Jersey type traits (2006)
Gengler, Nicolas, Wiggans, G R, Thornton, L L M, Wright, J R, Druet, Tom
The multitrait genetic evaluation system for type traits was modified to estimate adjustments for heterogeneous variance (HV) simultaneously with estimated breeding values (EBV) for final score and...
Druet, Tom, Jaffrézic, Florence, Ducrocq, Vincent
Abstract Application of test-day models for the genetic evaluation of dairy populations requires the solution of large mixed model equations. The size of the (co)variance matrices required with such...
Accounting for heterogeneous variances in multi-trait evaluation of Jersey type traits (2005)
Gengler, Nicolas, Wiggans, GR, Thornton, L, Wright, JR, Druet, Tom
Accounting for heterogeneous variances in multi-trait evaluation of Jersey type traits (2005)
Gengler, Nicolas, Wiggans, GR, Thornton, L, Wright, JR, Druet, Tom
Within-herd effects of age at test day and lactation stage on test-day yields (2003)
Bormann, J, Wiggans, GR, Druet, Tom, Gengler, Nicolas
Variance ratios were estimated for random within-herd effects of age at test day and lactation stage, on test-day yield and somatic cell score to determine whether including these effects would...
Druet, Tom, Solkner, J, Groen, AF, Gengler, Nicolas
The objectives of this study were threefold: 1) estimation of additive and dominance genetic variances for fertility traits for Austrian Simmental and Brown Swiss dairy cattle; 2) use of method R and...
Estimation of genetic covariances with Method R (2001)
Druet, Tom, Misztal, I, Duangjinda, M, Reverter, A, Gengler, Nicolas
Method R is a simple and computationally inexpensive method for estimating (co)variances. The objective of the study was to investigate properties of Method R for estimation of (co)variance...
Estimation Of Genetic Covariances With Method R (2001)
Druet, Tom, Misztal, I., Duangjinda, M., Reverter, A., Gengler, Nicolas
Druet, Tom, Solkner, J, Gengler, Nicolas
Multitrait, across-country evaluation procedures were adapted to improve reliability of survival breeding values by combining direct information with yield and functional traits: milk persistency,...
Gautier, Mathieu, Barcelona, Rosa Roy, Fritz, Sébastien, Grohs, Cécile, Druet, Tom, Boichard, Didier, ...
Previously, a highly significant QTL affecting fat yield and protein yield and mapped to the bovine BTA26 chromosome has been reported to segregate in the French Holstein cattle population. To...
Gautier, Mathieu, Barcelona, Rosa Roy, Fritz, Sébastien, Grohs, Cécile, Druet, Tom, Boichard, Didier, ...
Previously, a highly significant QTL affecting fat yield and protein yield and mapped to the bovine BTA26 chromosome has been reported to segregate in the French Holstein cattle population. To...
Druet, Tom, Fritz, Sébastien, Boussaha, Mekki, Ben-Jemaa, Slim, Guillaume, François, Derbala, David, ...
Fertility quantitative trait loci (QTL) are of high interest in dairy cattle since insemination failure has dramatically increased in some breeds such as Holstein. High-throughput SNP analysis and...
Mapping QTL influencing gastrointestinal nematode burden in Dutch Holstein-Friesian dairy cattle
Coppieters, Wouter, Mes, Ted HM, Druet, Tom, Farnir, Frédéric, Tamma, Nico, Schrooten, Chris, ...
Tribout, Thierry, Iannuccelli, Nathalie, Druet, Tom, Gilbert, Hélène, Juliette, Riquet, Ronan, Gueblez, ...
A genome-wide scan was performed in Large White and French Landrace pig populations in order to identify QTL affecting reproduction and production traits. The experiment was based on a granddaughter...
Guillaume, François, Fritz, Sébastien, Boichard, Didier, Druet, Tom
The efficiency of the French marker-assisted selection (MAS) was estimated by a simulation study. The data files of two different time periods were used: April 2004 and 2006. The simulation method...
Estimation of genetic parameters for test day records of dairy traits in the first three lactations
Druet, Tom, Jaffrézic, Florence, Ducrocq, Vincent
Application of test-day models for the genetic evaluation of dairy populations requires the solution of large mixed model equations. The size of the (co)variance matrices required with such models...
Fasquelle, Corinne, Sartelet, Arnaud, Li, Wanbo, Dive, Marc, Tamma, Nico, Michaux, Charles, ...
We herein describe the positional identification of a 2-bp deletion in the open reading frame of the MRC2 receptor causing the recessive Crooked Tail Syndrome in cattle. The resulting frame-shift...