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 -4.30
Milk (kg) -54.00 -0.014 0.76
Fat (kg) 9.61 -0.375 -3.60
Prot (kg) 3.31 -0.441 -1.46
Fertility Sub Index 0.49
Calving Interval (days) 0.08 -1.459 -0.12
Survival (%) 0.54 1.117 0.60
Calving Sub Index 2.57
Gestation Length (days) -2.80 -0.919 2.57
Beef Sub Index 2.20
Carcass Weight (kg) -10.10 -0.528 5.33
Age of Slaughter (days) 7.25 -0.432 -3.13
Maintenance Sub Index Maint. Sub Index 5.21
Live WT (kg) -17.00 -0.307 5.21
Total Carbon Sub Index 6.16

* Based on an €80/tonne carbon price