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 2.63
Milk (kg) -68.00 -0.014 0.95
Fat (kg) -1.98 -0.375 0.74
Prot (kg) -2.13 -0.441 0.94
Fertility Sub Index 5.52
Calving Interval (days) -2.71 -1.459 3.95
Survival (%) 1.40 1.117 1.56
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.70
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -2.47 -0.432 1.07
Maintenance Sub Index Maint. Sub Index 6.59
Live WT (kg) -21.50 -0.307 6.59
Total Carbon Sub Index 21.25

* Based on an €80/tonne carbon price