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 3.45
Milk (kg) -95.00 -0.014 1.33
Fat (kg) -2.70 -0.375 1.01
Prot (kg) -2.52 -0.441 1.11
Fertility Sub Index 6.84
Calving Interval (days) -3.21 -1.459 4.68
Survival (%) 1.93 1.117 2.16
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.43
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.12 -0.432 -0.05
Maintenance Sub Index Maint. Sub Index 5.06
Live WT (kg) -16.50 -0.307 5.06
Total Carbon Sub Index 20.58

* Based on an €80/tonne carbon price