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 4.34
Milk (kg) -102.00 -0.014 1.43
Fat (kg) -3.24 -0.375 1.21
Prot (kg) -3.85 -0.441 1.70
Fertility Sub Index 5.97
Calving Interval (days) -2.63 -1.459 3.84
Survival (%) 1.91 1.117 2.13
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.89
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 1.23 -0.432 -0.53
Maintenance Sub Index Maint. Sub Index 3.59
Live WT (kg) -11.70 -0.307 3.59
Total Carbon Sub Index 18.60

* Based on an €80/tonne carbon price