The month of birth will influence the onset of puberty, especially in [[Female_Reproductive_Tract_-Seasonality_of_Reproduction_- Anatomy & Physiology|seasonal breeders]].
+
The month of birth will influence the onset of puberty, especially in [[Seasonality_of_Reproduction_- Anatomy & Physiology|seasonal breeders]].
=== Sheep ===
=== Sheep ===
−
* [[Female_Reproductive_Tract_-Seasonality_of_Reproduction_- Anatomy & Physiology|Short day breeders]] (begin oestrous cycles in response to short day length)
+
* [[Seasonality_of_Reproduction_- Anatomy & Physiology|Short day breeders]] (begin oestrous cycles in response to short day length)
* Spring born lambs (February-March) reach puberty in the subsequent autumn (September-October) if they have adequate nutrition. The age at puberty is 5-6 months.
* Spring born lambs (February-March) reach puberty in the subsequent autumn (September-October) if they have adequate nutrition. The age at puberty is 5-6 months.
* Autumn born lambs do not reach puberty until 10-12 moths of age.
* Autumn born lambs do not reach puberty until 10-12 moths of age.
Line 58:
Line 58:
=== Queen ===
=== Queen ===
−
* [[Female_Reproductive_Tract_-Seasonality_of_Reproduction_- Anatomy & Physiology|Long day breeders]]
+
* [[Seasonality_of_Reproduction_- Anatomy & Physiology|Long day breeders]]
* Increasing photoperiod prompts onset of puberty.
* Increasing photoperiod prompts onset of puberty.
* Onset of puberty occurs in January-February in the Northern Hemisphere, where there is increasing day length.
* Onset of puberty occurs in January-February in the Northern Hemisphere, where there is increasing day length.