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 4.40
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -3.61 -0.375 1.35
Prot (kg) -2.33 -0.441 1.03
Fertility Sub Index -9.63
Calving Interval (days) 5.22 -1.459 -7.62
Survival (%) -1.80 1.117 -2.01
Calving Sub Index 1.31
Gestation Length (days) -1.42 -0.919 1.31
Beef Sub Index -2.87
Carcass Weight (kg) 3.30 -0.528 -1.74
Age of Slaughter (days) 2.62 -0.432 -1.13
Maintenance Sub Index Maint. Sub Index -2.45
Live WT (kg) 8.00 -0.307 -2.45
Total Carbon Sub Index -9.24

* Based on an €80/tonne carbon price