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 32.97
Milk (kg) -388.00 -0.014 5.43
Fat (kg) -36.10 -0.375 13.52
Prot (kg) -31.75 -0.441 14.01
Fertility Sub Index 5.14
Calving Interval (days) -2.20 -1.459 3.21
Survival (%) 1.73 1.117 1.93
Calving Sub Index -1.56
Gestation Length (days) 1.70 -0.919 -1.56
Beef Sub Index -2.73
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) 6.20 -0.432 -2.68
Maintenance Sub Index Maint. Sub Index 5.36
Live WT (kg) -17.50 -0.307 5.36
Total Carbon Sub Index 39.18

* Based on an €80/tonne carbon price