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 6.24
Calving Interval (days) -2.80 -1.459 4.09
Survival (%) 1.93 1.117 2.16
Calving Sub Index -1.48
Gestation Length (days) 1.61 -0.919 -1.48
Beef Sub Index -2.75
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 8.07 -0.432 -3.48
Maintenance Sub Index Maint. Sub Index 6.19
Live WT (kg) -20.20 -0.307 6.19
Total Carbon Sub Index 19.29

* Based on an €80/tonne carbon price