Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 3.95
Milk (kg) -147.00 -0.014 2.06
Fat (kg) -1.16 -0.375 0.43
Prot (kg) -3.31 -0.441 1.46
Fertility Sub Index 11.30
Calving Interval (days) -6.03 -1.459 8.80
Survival (%) 2.24 1.117 2.50
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.91
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) -0.77 -0.432 0.33
Maintenance Sub Index Maint. Sub Index 4.17
Live WT (kg) -13.60 -0.307 4.17
Total Carbon Sub Index 19.86

* Based on an €80/tonne carbon price