Appendix A: Estimating cattle age by dentition
Figure I
Permanent teeth lingual aspect - incisor and canine teeth of ox 5 years of age
Click on image for larger view
Description for Figure I - Permanent Teeth Lingual Aspect, Incisor and Canine Teeth of Ox 5 Years of Age
The figure represents the lingual aspect of the mandible of a bovine of 5 years of age. The first permanent incisors (left and right) are located centrally, the second permanent incisors (left and right), the third permanent incisors (left and right) and the right canine, respectively located laterally, are identified.
Figure II - Picture of dentition for cattle
Full deciduous dentition
Description for Figure II (first picture) - Dentition for cattle
The first picture shows a full set of eight temporary teeth on the mandible of a bovine less than twenty-four (24) months of age.
Primary permanent incisor in eruption
Description for Figure II (second picture) - Dentition for cattle
The second picture shows the primary permanent incisor erupting from the mandible of a bovine aged more than twenty-four (24) months but less than thirty (30) months.
Pair of primary permanent incisors in eruption
Description for Figure II (third picture) - Dentition for cattle
The third picture shows the first set of permanent incisors erupting from the mandible of a bovine aged more than twenty-four (24) months but less than thirty (30) months.
Pair of primary permanent incisors fully erupted
Description for Figure II (fourth picture) - Dentition for cattle
The fourth picture represents the first set of permanent incisors fully erupted from the mandible of a bovine aged more than twenty-four (24) months but less than thirty (30) months.
Three permanent incisors fully erupted
Description for Figure II (fifth picture) - Dentition for cattle
The fifth picture represents three permanent incisors fully erupted from the mandible of a bovine aged more than thirty (30) months.
Pair of second permanent incisors in eruption
Description for Figure II (sixth picture) - Dentition for cattle
The sixth picture shows second pair of permanent incisors erupting from the mandible of a bovine aged more than thirty (30) months.
Two pairs of permanent incisors completely erupted
Description for Figure II (seventh picture) - Dentition for cattle
The seventh picture shows two pairs of permanent incisors completely erupted from the mandible of a bovine aged more than thirty (30) months.
Complete permanent dentition
Description for Figure II (seventh picture) - Dentition for cattle
The eighth and last picture shows a full set of permanent incisors in a bovine aged more than thirty (30) months.
Pictures used with permission of MAPAQ
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