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 5.28
Milk (kg) -142.00 -0.014 1.99
Fat (kg) -3.25 -0.375 1.22
Prot (kg) -4.70 -0.441 2.07
Fertility Sub Index 8.66
Calving Interval (days) -4.22 -1.459 6.16
Survival (%) 2.24 1.117 2.50
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.11
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 1.21 -0.432 -0.52
Maintenance Sub Index Maint. Sub Index 4.38
Live WT (kg) -14.30 -0.307 4.38
Total Carbon Sub Index 23.24

* Based on an €80/tonne carbon price