Menu
Forums
New posts
Search forums
What's new
New posts
New media
New media comments
New profile posts
Latest activity
Media
New media
New comments
Search media
Members
Current visitors
New profile posts
Search profile posts
Log in
Register
What's new
Search
Search
Search titles and first posts only
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Forums
Cattle Boards
Beginners Board
A guide to fetal development
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Help Support CattleToday:
Message
<blockquote data-quote="dun" data-source="post: 505700" data-attributes="member: 34"><p>From Cornell</p><p></p><p>Bovine Developmental Milestones</p><p>Age days External Characteristics</p><p>18 Primitive streak present; amnion complete</p><p>24 Three primary brain vesicles visible; forelimb bud present</p><p>26 Fourth brachial arch and mammary ridge present; hind limb bud forming</p><p>30 Eye pits forming; eyes pigmented; hard palate forming</p><p>38 Eyelids forming; ear forming as a ridge;</p><p>40 Ear partly covers acoustic groove.</p><p>50 Eyelids partially cover eyes.</p><p>56 Palate fused.</p><p>60 Eyelids fused; external genitals differentiated; hooves forming.</p><p>76 Tactile hairs appear on face.</p><p>100 Hooves becoming firm and opaque.</p><p>110 Tooth eruption begins.</p><p>150 Lower lip and chin covered with fine hair; eyelashes present; tactile hairs</p><p>on chin; color markings appear; hooves become hard; teats well formed;</p><p>descent of testes complete.</p><p>196 Eyelid separated</p><p>230 Body fully covered with hair</p><p>278-290 Birth</p></blockquote><p></p>
[QUOTE="dun, post: 505700, member: 34"] From Cornell Bovine Developmental Milestones Age days External Characteristics 18 Primitive streak present; amnion complete 24 Three primary brain vesicles visible; forelimb bud present 26 Fourth brachial arch and mammary ridge present; hind limb bud forming 30 Eye pits forming; eyes pigmented; hard palate forming 38 Eyelids forming; ear forming as a ridge; 40 Ear partly covers acoustic groove. 50 Eyelids partially cover eyes. 56 Palate fused. 60 Eyelids fused; external genitals differentiated; hooves forming. 76 Tactile hairs appear on face. 100 Hooves becoming firm and opaque. 110 Tooth eruption begins. 150 Lower lip and chin covered with fine hair; eyelashes present; tactile hairs on chin; color markings appear; hooves become hard; teats well formed; descent of testes complete. 196 Eyelid separated 230 Body fully covered with hair 278-290 Birth [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Cattle Boards
Beginners Board
A guide to fetal development
Top