Changes

* Long [[Reproductive System - Anatomy & Physiology#Gestation|gestation]] period: 59-72 days (depending on litter size)

* Long [[Reproductive System - Anatomy & Physiology#Gestation|gestation]] period: 59-72 days (depending on litter size)

* [[Placenta - Anatomy & Physiology|Placenta]] is haemochorial

* [[Placenta - Anatomy & Physiology|Placenta]] is haemochorial

* Receive all maternal antibodies through the [[Placenta - Anatomy & Physiology|placenta]], not the [[Lactation_-_Milk_Composition_and_Biosynthesis- Anatomy & Physiology#Colostrum|Colostrum]]

* Receive all maternal antibodies through the [[Placenta - Anatomy & Physiology|placenta]], not the [[Milk Composition and Biosynthesis- Anatomy & Physiology#Colostrum|Colostrum]]

* [[Placenta - Anatomy & Physiology|Placenta]] eaten by the dam and other guinea pigs after [[Reproductive System - Anatomy & Physiology#Parturition|parturition]].

* [[Placenta - Anatomy & Physiology|Placenta]] eaten by the dam and other guinea pigs after [[Reproductive System - Anatomy & Physiology#Parturition|parturition]].

* Divided into fine lobules, which open via a number of small ducts into one large duct to the exterior.

* Divided into fine lobules, which open via a number of small ducts into one large duct to the exterior.

* Two teats

* Two teats

* Composition: 4% Fat, 8% Protein, 3% [[Lactation_-_Milk_Composition_and_Biosynthesis- Anatomy & Physiology#Carbohydrate:Lactose|Lactose]]

* Composition: 4% Fat, 8% Protein, 3% [[Milk Composition and Biosynthesis- Anatomy & Physiology#Carbohydrate:Lactose|Lactose]]

[[Category:Small Mammal Reproduction]]

[[Category:Small Mammal Reproduction]]