Q. mention all the methods of animal age determination
Answers
Answer:
ANSWER;
At birth to one month, two or more temporary incisor teeth are present. By first month all 8 temporary incisors appear.
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•The central pair of temporary incisors are replaced by permanent ones which attains full growth by 2 years
•The third permanent incisor erupts at around 30 months of age (thick arrow)
•The fourth permanent incisors erupt after 30 months.
•The second pair of incisors is fully developed at 3 years.
•By the 4-5 years the animal has a full set of permanent incisors. (In buffaloes by 5-6 years)
•By the sixth year, the central incisor shows wear and leveled top.
•The wearing progresses steadily after the sixth year and by the tenth year, all the incisors show significant wear and space in between them.
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Hope u understand!!
Answer:
1.Animal under one year old (no permanent teeth)
2.One year old (2 permanent teeth)
3.Two years old (4 permanent teeth)
4.Three years old (6 permanent teeth)
5.Four years old (8 permanent teeth)
6.Old animal, more than four years old