1. sex matures and appropriate age matchs first
Sexual maturity is the maturity on reproductive physiology namely, right now the deer can make mature spermatozoon and egg, have sexual behavior. The element such as circumstance of the sexual maturity of deer of fine and soft and breed, type, sexual distinction, genetic state, nutrition and individual development is concerned, sika is earlier than red deer, female antedates male, state of nutrition of same breed deer is good with individual development fast sex matures early also. Run-of-mill autumn: Wintersweet doe is controlled in 16 lunar age about, the deer with good growth has 7 lunar age to reach sexual maturity, fair deer is left and right sides of 20 lunar age; Red deer is 28 lunar age about, but have partial deer it is mature that 16 lunar ages achieve a gender namely. is appropriate the age mixes first, wintersweet doe is 40 lunar age for 16 lunar age, fair deer (3 curium fair deer) ; Equestrian doe is 28 lunar age, fair deer 40 lunar age (3 curium) .
2. Oestrus rule
(Deer of 1) rut fine and soft is seasonal oestrus animal, the north that is in our country (north latitude 40 ° with boreal area) , season of oestrus of deer of fine and soft is 9 ～ December *
(2) oestrus is periodic
(3) oestrus lasts period hind 11 ～ are filled 24 hours for oestrus period; Red deer is controlled 24 hours, the 6 ～ after oestrus are filled 7 hours for oestrus period.
(4) oestrus expression includes path of behavior, reproduction and ovarian change 3 respects. The oestrus expression of fair deer is combat, grind horn, roll lip, gather up the ground, neck circumference adds person of thick, top or content, long sound to roar, anorexia, edge twitchs phallic edge drenchs make water. The oestrus of doe is behaved, initial stage is excited uneasiness, wander, Da mouth, bleat sometimes, be willing to be close to fair deer but refus matchs; Oestrus is filled period expression is waist of the plant oneself, arch that move remaining part, accept climb cross, often behave lachrymal nest to open business, strut of the micturition that place end, vaginal orifice, pour out of egg white appearance hum of mucous, hum is low groan, or head loiter fair deer, place copulatory looks style to accept fair deer copulatory; Oestrus evening is behaved, doe becomes smooth and steady, refus matchs, of vaginal orifice mucous turn into by egg white appearance orange is yellow, rufous finally, and dry up go up in pubic hair. Can judge according to cervine expression whether oestrus. In recent years, red deer uses ovarian like feeling of appearance of ox, Ma Na method to decide oestrus state; Also can decide with law trying affection the oestrus of doe, be the same as the fair deer of breed with 1 namely, affection will try on its penis operation or belt cloth, put doe next group, if doe plant oneself, accept climb cross, explain this doe already was close to oviposit namely, evict right now try affection fair deer, put kind of fair deer or test-tube, can assure basically to become pregnant.
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