Dentition is the development of teeth and their arrangement in the mouth.91 For many years,
\nproducers, veterinarians, and exhibitors have used dentition to make general age determinations.
\nDentition will vary from herd-to-herd and animal-to-animal, because of the animal\u2019s genetics,
\ndiet, and the varied geographical locations in which they are raised. When the age of an animal is
\nnot known, (or when there are no birth certificates) the best and most practical way to determine
\nage is by an examination of the teeth. There are three types of teeth found in the bovine: incisors,
\npremolars, and molars. Incisor teeth are found in the front of the mouth, but they are absent from
\nthe upper jaw. The premolars and molars are found in the back of the mouth and are present in
\nboth the upper (maxilla) and lower (mandible) jaws.<\/p>\n
At birth, calves have deciduous teeth, known as temporary, milk, or baby teeth. The deciduous
\nteeth are lost as the animal ages and they are replaced by the permanent teeth. Calves have a total
\nof 20 deciduous teeth. There are no deciduous molars and a deciduous premolar is not present.
\nGradually permanent teeth replace deciduous teeth.<\/p>\n
The deciduous incisors differ from the permanent incisors in being much smaller. The crowns
\n(that part of the tooth that is covered with enamel) of the deciduous incisors are narrower than
\nthe permanent incisors and they diverge more from the base (at the gum line) of the tooth to the
\napex when compared to the permanent incisors.<\/p>\n
Cattle 14 months of age would have a full set of deciduous incisors. All four pairs of teeth are
\ntemporary and firmly in place. The teeth are short, broad and usually have a bright, ivory color.
\nThere is usually space between the Di 1 incisors. Other incisors may touch on the inside corner at
\nthe top of the tooth. As the animal ages, the deciduous teeth become loosely set in the jaw. The
\nteeth appear longer and narrower than in younger animals and the teeth may or may not be
\ntouching at the upper corners.<\/p>\n
The permanent incisors usually erupt at an angle and straighten into a definite pattern with
\ngrowth. Animals with eruption of one or more central incisors are considered to be 18-24 months
\nof age. When one or both middle (I 2) incisors erupt, the animal is considered to be 24-30
\nmonths of age.<\/p>\n
Cattle that have the middle (I 2) incisor (or incisors) erupted are in the 24-30-month age range.
\nHowever, FSIS, as written in FSIS Notice 5-04, is using a conservative approach and is
\ndetermining that cattle with eruption of at least one of the second set of permanent incisors (I 2)
\nare 30 months of age or older.<\/p>\n
The eruption of the lateral (I 3 or second intermediate) incisor (or incisors) indicates that the
\nanimal has reached 36 months of age. The eruption of the corner (I 4) incisor (or incisors)
\nindicates that the animal has reached at least 42 months of age.<\/p>\n
For more information visit: http:\/\/www.fsis.usda.gov\/OFO\/TSC\/bse_information.htm<\/p>\n","protected":false},"excerpt":{"rendered":"
Dentition is the development of teeth and their arrangement in the mouth.91 For many years, producers, veterinarians, and exhibitors have used dentition to make general age determinations. Dentition will vary […]<\/p>\n","protected":false},"author":7,"featured_media":0,"parent":49877,"menu_order":25,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_EventAllDay":false,"_EventTimezone":"","_EventStartDate":"","_EventEndDate":"","_EventStartDateUTC":"","_EventEndDateUTC":"","_EventShowMap":false,"_EventShowMapLink":false,"_EventURL":"","_EventCost":"","_EventCostDescription":"","_EventCurrencySymbol":"","_EventCurrencyCode":"","_EventCurrencyPosition":"","_EventDateTimeSeparator":"","_EventTimeRangeSeparator":"","_EventOrganizerID":[],"_EventVenueID":[],"_OrganizerEmail":"","_OrganizerPhone":"","_OrganizerWebsite":"","_VenueAddress":"","_VenueCity":"","_VenueCountry":"","_VenueProvince":"","_VenueState":"","_VenueZip":"","_VenuePhone":"","_VenueURL":"","_VenueStateProvince":"","_VenueLat":"","_VenueLng":"","_VenueShowMap":false,"_VenueShowMapLink":false,"_tribe_blocks_recurrence_rules":"","_tribe_blocks_recurrence_description":"","_tribe_blocks_recurrence_exclusions":"","_ecp_custom_2":"","footnotes":"","_links_to":"","_links_to_target":""},"categories":[],"tags":[],"issue":[],"resource_type":[16749],"featured":[],"project_collection":[],"class_list":["post-49989","resources","type-resources","status-publish","hentry","resource_type-guide"],"acf":[],"_links":{"self":[{"href":"https:\/\/smallfarms.cornell.edu\/es\/wp-json\/wp\/v2\/resources\/49989","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/smallfarms.cornell.edu\/es\/wp-json\/wp\/v2\/resources"}],"about":[{"href":"https:\/\/smallfarms.cornell.edu\/es\/wp-json\/wp\/v2\/types\/resources"}],"author":[{"embeddable":true,"href":"https:\/\/smallfarms.cornell.edu\/es\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/smallfarms.cornell.edu\/es\/wp-json\/wp\/v2\/comments?post=49989"}],"version-history":[{"count":2,"href":"https:\/\/smallfarms.cornell.edu\/es\/wp-json\/wp\/v2\/resources\/49989\/revisions"}],"predecessor-version":[{"id":49991,"href":"https:\/\/smallfarms.cornell.edu\/es\/wp-json\/wp\/v2\/resources\/49989\/revisions\/49991"}],"up":[{"embeddable":true,"href":"https:\/\/smallfarms.cornell.edu\/es\/wp-json\/wp\/v2\/resources\/49877"}],"wp:attachment":[{"href":"https:\/\/smallfarms.cornell.edu\/es\/wp-json\/wp\/v2\/media?parent=49989"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/smallfarms.cornell.edu\/es\/wp-json\/wp\/v2\/categories?post=49989"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/smallfarms.cornell.edu\/es\/wp-json\/wp\/v2\/tags?post=49989"},{"taxonomy":"issue","embeddable":true,"href":"https:\/\/smallfarms.cornell.edu\/es\/wp-json\/wp\/v2\/issue?post=49989"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/smallfarms.cornell.edu\/es\/wp-json\/wp\/v2\/resource_type?post=49989"},{"taxonomy":"featured","embeddable":true,"href":"https:\/\/smallfarms.cornell.edu\/es\/wp-json\/wp\/v2\/featured?post=49989"},{"taxonomy":"project_collection","embeddable":true,"href":"https:\/\/smallfarms.cornell.edu\/es\/wp-json\/wp\/v2\/project_collection?post=49989"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}