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| * 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. |
| * This is because, seasonal cues (long days of spring/summer) delay reproductive cyclicity. | | * This is because, seasonal cues (long days of spring/summer) delay reproductive cyclicity. |
− | * Thus, [[Reproductive_Behaviour_-_Oestrus_Behaviour_- Anatomy & Physiology|oestrus]] in both spring and autumn born lambs is synchronised. | + | * Thus, [[Oestrus Behaviour - Anatomy & Physiology|oestrus]] in both spring and autumn born lambs is synchronised. |
| * This maximizes the chance that all ewes become pregnant in the fall and give birth in the spring when nutritional and environmental conditions are favourable. | | * This maximizes the chance that all ewes become pregnant in the fall and give birth in the spring when nutritional and environmental conditions are favourable. |
| * An adequate degree of nutrition ('fatness') is required before photoperiod can exert an effect. | | * An adequate degree of nutrition ('fatness') is required before photoperiod can exert an effect. |
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| * 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. |
| * Queens born in February-March do not reach puberty until the following spring. | | * Queens born in February-March do not reach puberty until the following spring. |
− | * Queens born in summer/autumn generally display their first [[Reproductive_Behaviour_-_Oestrus_Behaviour_- Anatomy & Physiology|oestrus]] the following January. | + | * Queens born in summer/autumn generally display their first [[Oestrus Behaviour - Anatomy & Physiology|oestrus]] the following January. |
| * Before this can have effect, there must be adequate nutrition and growth. | | * Before this can have effect, there must be adequate nutrition and growth. |
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