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 3.48
Milk (kg) -32.00 -0.014 0.45
Fat (kg) -3.76 -0.375 1.41
Prot (kg) -3.67 -0.441 1.62
Fertility Sub Index 4.03
Calving Interval (days) -2.19 -1.459 3.20
Survival (%) 0.75 1.117 0.84
Calving Sub Index -0.26
Gestation Length (days) 0.28 -0.919 -0.26
Beef Sub Index 0.58
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 2.19 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 3.86
Live WT (kg) -12.60 -0.307 3.86
Total Carbon Sub Index 11.70

* Based on an €80/tonne carbon price