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 11.09
Milk (kg) -183.00 -0.014 2.56
Fat (kg) -12.13 -0.375 4.54
Prot (kg) -9.02 -0.441 3.98
Fertility Sub Index 6.16
Calving Interval (days) -2.76 -1.459 4.03
Survival (%) 1.91 1.117 2.13
Calving Sub Index -1.50
Gestation Length (days) 1.63 -0.919 -1.50
Beef Sub Index -2.93
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 8.12 -0.432 -3.51
Maintenance Sub Index Maint. Sub Index 6.01
Live WT (kg) -19.60 -0.307 6.01
Total Carbon Sub Index 18.83

* Based on an €80/tonne carbon price