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 1.98
Milk (kg) 20.00 -0.014 -0.28
Fat (kg) -2.84 -0.375 1.06
Prot (kg) -2.70 -0.441 1.19
Fertility Sub Index -8.66
Calving Interval (days) 4.42 -1.459 -6.45
Survival (%) -1.98 1.117 -2.21
Calving Sub Index 0.53
Gestation Length (days) -0.58 -0.919 0.53
Beef Sub Index 0.18
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 3.85 -0.432 -1.66
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index -3.58

* Based on an €80/tonne carbon price