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 6.37
Milk (kg) -118.00 -0.014 1.65
Fat (kg) -6.04 -0.375 2.26
Prot (kg) -5.57 -0.441 2.46
Fertility Sub Index 5.81
Calving Interval (days) -2.57 -1.459 3.75
Survival (%) 1.84 1.117 2.06
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.76
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.66 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index 3.43
Live WT (kg) -11.20 -0.307 3.43
Total Carbon Sub Index 20.18

* Based on an €80/tonne carbon price