Changes

==Introduction==

==Introduction==

The oesophageal groove is present in newborn ruminants. It is a channel taking milk from the [[Oesophagus - Anatomy & Physiology|oesophagus]] into the [[The Rumen|rumen]], [[The Omasum|omasum]] and then [[The Abomasum|abomasum]], bypassing the [[The Reticulum|reticulum]].

The oesophageal groove is present in newborn ruminants. It is a channel taking milk from the [[Oesophagus - Anatomy & Physiology|oesophagus]] into the [[The Rumen - Anatomy & Physiology|rumen]], [[The Omasum|omasum]] and then [[The Abomasum|abomasum]], bypassing the [[The Reticulum|reticulum]].

[[Image:Calf Suckling.jpg|thumb|right|150px|Calf suckling - Copyright David Monniaux]]

[[Image:Calf Suckling.jpg|thumb|right|150px|Calf suckling - Copyright David Monniaux]]

==Histology==

==Histology==

*Water consumption does not usually iniatiate groove closure

*Water consumption does not usually iniatiate groove closure

*Age when the [[The Rumen|rumen]] becomes fully functional and the oseophageal groove closes differs between ruminants

*Age when the [[The Rumen - Anatomy & Physiology|rumen]] becomes fully functional and the oseophageal groove closes differs between ruminants

**In calves 20 weeks

**In calves 20 weeks

**In lambs 8 weeks

**In lambs 8 weeks