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 28.21
Milk (kg) -636.00 -0.014 8.90
Fat (kg) -24.57 -0.375 9.20
Prot (kg) -22.88 -0.441 10.10
Fertility Sub Index 4.13
Calving Interval (days) -2.50 -1.459 3.65
Survival (%) 0.43 1.117 0.48
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.49
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) 2.17 -0.432 -0.94
Maintenance Sub Index Maint. Sub Index 3.00
Live WT (kg) -9.80 -0.307 3.00
Total Carbon Sub Index 36.36

* Based on an €80/tonne carbon price