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 2.17
Milk (kg) -132.00 -0.014 1.85
Fat (kg) 2.97 -0.375 -1.11
Prot (kg) -3.24 -0.441 1.43
Fertility Sub Index 2.55
Calving Interval (days) -1.83 -1.459 2.67
Survival (%) -0.11 1.117 -0.12
Calving Sub Index 0.38
Gestation Length (days) -0.41 -0.919 0.38
Beef Sub Index 2.21
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 0.37 -0.432 -0.16
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 10.92

* Based on an €80/tonne carbon price