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 7.57
Milk (kg) -186.00 -0.014 2.60
Fat (kg) -7.94 -0.375 2.97
Prot (kg) -4.51 -0.441 1.99
Fertility Sub Index 12.45
Calving Interval (days) -6.62 -1.459 9.66
Survival (%) 2.50 1.117 2.79
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.11
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 1.70 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 8.52
Live WT (kg) -27.80 -0.307 8.52
Total Carbon Sub Index 33.46

* Based on an €80/tonne carbon price