Part 1 Managing genetic diversity
1. Genetic and phenotypic improvements in temperate dairy systems: an overview: Allison Fleming, Canadian Dairy Network, Canada; Tatiane Chud, University of Guelph, Canada; Luiz Brito, Purdue University, USA; Francesca Malchiodi, Semex, Canada; and Christine Baes and Filippo Miglior, University of Guelph, Canada;
2. Assessing inbreeding and genetic diversity in the Holstein breed using pedigree and genomic approaches: Christine Baes, University of Guelph, Canada and University of Bern, Switzerland; and Bayode Makanjuola and Larry Schaeffer, University of Guelph, Canada;
3. Genetic diversity in dairy cattle: variation within and between breeds: Kor Oldenbroek, Wageningen University and Research, The Netherlands;
4. The use of genomic information to improve selection response while controlling inbreeding in dairy cattle breeding programs: C. Maltecca, North Carolina State University, USA; C. Baes, University of Guelph, Canada; and F. Tiezzi, North Carolina State University, USA;
5. Opportunities and challenges in crossbreeding dairy cattle in temperate regions: Bradley J. Heins, University of Minnesota, USA;
Part 2 Breeding objectives and genetics of new traits
6. Recent developments in multi-trait selection in dairy cattle breeding: Peter Amer, AbacusBio Ltd, New Zealand; and Tim Byrne, AbacusBio International Ltd, UK;
7. Advances in dairy cattle breeding to improve fertility/reproductive efficiency: Mekonnen Haile-Mariam, Agriculture Victoria, AgriBio, Australia; and Jennie Pryce, Agriculture Victoria and La Trobe University, Australia;
8. Advances in dairy cattle breeding to incorporate feed conversion efficiency in national genetic evaluations Mike Coffey, Scotland’s Rural College (SRUC), UK;
9. Improving phenotypic prediction in dairy cattle breeding using the metagenome: Oscar González-Recio, Alejandro Saborio-Montero, Adrián López-García, Beatriz Delgado and Cristina Óvilo, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, Spain;
10. Advances in dairy cattle breeding to improve resistance to mastitis: John Cole, USDA-ARS, USA;
11. Advances in dairy cattle breeding to improve resistance to claw disorders/lameness: C. Egger-Danner, ZuchtData EDV-Dienstleistungen GmbH, Austria; and B. Heringstad, Norwegian University of Life Sciences (NMBU), Norway;
12. The use of mid-infrared spectral data to predict traits for genetic selection in dairy cattle: Nicolas Gengler and Hélène Soyeurt, University of Liège, Belgium;
13. Advances in dairy cattle breeding to improve heat tolerance: Thuy T. T. Nguyen, Agriculture Victoria, Australia;
14. Advances in dairy cattle breeding to improve longevity: Roel Veerkamp, Wageningen University and Research, The Netherlands; and Mathijs van Pelt, CRV Cooperation, The Netherlands;
Part 3 Genetic selection and evaluation
15. Developments in genomic predictions in dairy cattle breeding: a historical overview of methods, technologies, and applications: Luiz F. Brito and Hinayah R. Oliveira, Purdue University, USA and University of Guelph, Canada; Fabyano F. Silva, Federal University of Vic¸osa, Brazil; and Flavio S. Schenkel, University of Guelph, Canada;
16. Linking genotype to phenotype: functional annotation as a tool to advance dairy cattle breeding: James E. Koltes, Iowa State University, USA; and Francisco Peñagaricano, University of Florida, USA;
17. Finding causal variants for monogenic traits in dairy cattle breeding: Matt Littlejohn, Livestock Improvement Corporation (LIC) and Massey University, New Zealand; and Chad Harland, Livestock Improvement Corporation (LIC), New Zealand;
18. Genetic evaluation: use of genomic data in large-scale genetic evaluations in dairy cattle breeding: Joel Ira Weller, The Volcani Center, Israel;
19. International genomic evaluation methods for dairy cattle: Peter Sullivan, Canadian Dairy Network, Canada;
20. Genetic and genomic dairy cattle evaluations in developing countries: Raphael Mrode, Scotland’s Rural College, UK and International Livestock Research Institute, Kenya;
Part 4 Reproductive technologies and breeding programmes
21. Developments in the use of embryo technologies in dairy cows: Trudee Fair and Pat Lonergan, University of College Dublin, Ireland;
22. The use of gene editing techniques in dairy cattle breeding: Alison L. Van Eenennaam and Amy E. Young, University of California-Davis, USA;
23. Development of dairy breeding programmes: Didier Boichard, INRA, AgroParisTech and Université Paris-Saclay, France
