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 7.13
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -7.78 -0.375 2.91
Prot (kg) -4.99 -0.441 2.20
Fertility Sub Index -3.63
Calving Interval (days) 2.67 -1.459 -3.90
Survival (%) 0.24 1.117 0.27
Calving Sub Index -1.37
Gestation Length (days) 1.49 -0.919 -1.37
Beef Sub Index 1.05
Carcass Weight (kg) -5.00 -0.528 2.64
Age of Slaughter (days) 3.67 -0.432 -1.58
Maintenance Sub Index Maint. Sub Index 3.99
Live WT (kg) -13.00 -0.307 3.99
Total Carbon Sub Index 7.18

* Based on an €80/tonne carbon price