Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 4.06
Milk (kg) -132.00 -0.014 1.85
Fat (kg) -2.20 -0.375 0.82
Prot (kg) -3.14 -0.441 1.39
Fertility Sub Index -15.56
Calving Interval (days) 8.21 -1.459 -11.98
Survival (%) -3.21 1.117 -3.59
Calving Sub Index 0.63
Gestation Length (days) -0.69 -0.919 0.63
Beef Sub Index 1.75
Carcass Weight (kg) -5.70 -0.528 3.01
Age of Slaughter (days) 2.92 -0.432 -1.26
Maintenance Sub Index Maint. Sub Index 0.09
Live WT (kg) -0.30 -0.307 0.09
Total Carbon Sub Index -9.04

* Based on an €80/tonne carbon price