5327114
Descripción
Fichas por dafyddandrewbrad, actualizado hace más de 1 año
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| Pregunta | Respuesta |
| Steaming Up | Feeding twin bearing ews 0.1kg of concentrates per day 7 weeks from lambing building up to 0.7kg at lambing. Prevents twin lamb disease. |
| Flushing | The process by which ewes are moved from a low plane of nutrition to a high plane of nutrition prior to mating |
| Fostering | Taking one lamb from a set of triplets and putting it on a ewe with a single lamb. |
| Length of oestrous cycle | 17 days |
| Duration of oestrous | 36 hours |
| Gestation period | 149 days |
| Pheromones | Chemical substances that the ram produces in order to attract a female for mating |
| Ram effect | Suddenly introducing a ram to produce pheromones to encourage ovulation six weeks before normal |
| Short Day Breeders | Sheep are polyoestrus meaning they come into heat a few times during a certain time a year. As days get shorter increased melatonin stimulates pituitary gland to produce fsh |
| Weight Of Lamb At Birth | 3-5kg |
| Features Of Mountain And Hill Farming | •Ewe and lamb mortality rates can be high •Ewes generally only have one lamb •Low production targets |
| Features of lowland Farming | •High production targets •Lambing indoors reduces ewe and lamb mortality •more ewes give birth to twins and triplets |
| Dipping | |
| Criteria of a Replacement a ewe | •Age of the ewe •Health of the ewe •BCS of the ewe •Good conformation •good mouth and jaw •good feet and legs |
| Selction criteria of a ram | •The breed of the ram •Age of the ram •Good conformation •Good mouth and jaw •Good BCS |
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