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 -1.26
Milk (kg) -142.00 -0.014 1.99
Fat (kg) 8.31 -0.375 -3.11
Prot (kg) 0.31 -0.441 -0.14
Fertility Sub Index -3.39
Calving Interval (days) 1.52 -1.459 -2.22
Survival (%) -1.05 1.117 -1.17
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -1.70
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) 3.82 -0.432 -1.65
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index -5.48

* Based on an €80/tonne carbon price