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 1.43
Milk (kg) -182.00 -0.014 2.55
Fat (kg) 0.84 -0.375 -0.31
Prot (kg) 1.81 -0.441 -0.80
Fertility Sub Index -1.43
Calving Interval (days) 3.67 -1.459 -5.35
Survival (%) 3.51 1.117 3.92
Calving Sub Index -0.17
Gestation Length (days) 0.18 -0.919 -0.17
Beef Sub Index -2.80
Carcass Weight (kg) 3.70 -0.528 -1.95
Age of Slaughter (days) 1.97 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index -2.02
Live WT (kg) 6.60 -0.307 -2.02
Total Carbon Sub Index -4.98

* Based on an €80/tonne carbon price