Carbon Sub Index breakdown

Date of Evaluation Index Trait PTA * Carbon Cost (€) Contribution
PTA * Carbon Cost
May 2023 Milk Sub Index -7.49
Milk (kg) 10.00 -0.014 -0.14
Fat (kg) 9.03 -0.375 -3.38
Prot (kg) 8.99 -0.441 -3.97
Fertility Sub Index 9.05
Calving Interval (days) -4.16 -1.459 6.07
Survival (%) 2.67 1.117 2.98
Calving Sub Index 4.61
Gestation Length (days) -5.01 -0.919 4.61
Beef Sub Index 0.96
Carcass Weight (kg) -7.70 -0.528 4.06
Age of Slaughter (days) 7.19 -0.432 -3.10
Maintenance Sub Index -0.31
Live WT (kg) 1.00 -0.307 -0.31
Total Carbon Sub Index 6.81
* Based on an €80/tonne carbon price