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 12.18
Milk (kg) -287.00 -0.014 4.02
Fat (kg) -10.75 -0.375 4.03
Prot (kg) -9.37 -0.441 4.14
Fertility Sub Index 7.13
Calving Interval (days) -3.37 -1.459 4.92
Survival (%) 1.98 1.117 2.21
Calving Sub Index 2.08
Gestation Length (days) -2.26 -0.919 2.08
Beef Sub Index -0.08
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 3.73 -0.432 -1.61
Maintenance Sub Index Maint. Sub Index 4.63
Live WT (kg) -15.10 -0.307 4.63
Total Carbon Sub Index 25.93

* Based on an €80/tonne carbon price