<center id="7kism"><video id="7kism"><tbody id="7kism"></tbody></video></center>

<bdo id="7kism"><legend id="7kism"></legend></bdo>

<nav id="7kism"></nav>
<bdo id="7kism"></bdo>

        91精品免费久久久久久久久,国产欧美亚洲日韩图片,午夜高清国产拍精品福利,欧美成人免费全部观看,五月婷久久麻豆国产,欧美另类人妻制服丝袜,97se色综合一区二区二区,色婷婷综合和线在线

        長毛兔講解提高公兔配種能力的方法

        發布日期:2013-10-31 來源:http://m.51haodu.com 發布人:admin

        ①對長毛兔精液品質要定期檢查 在公兔配種旺期,要每周定期檢查公兔的精液品質,要選用精子密度大,精子活力強的公兔進行配種。

        ① on semen quality in male rabbits regularly check the breeding period, regular weekly inspections to semen quality of male rabbits, to choose the sperm density, sperm motility strong male rabbit breeding.

        ②科學合理地安排公兔配種次數 過度配種會引起公兔早衰,但長期不配又會影響精液品質。一般青年公兔每天可配種1-2次,壯年公兔可配2-3次,每次間隔6-8小時。

        The scientific and reasonable arrangement of male rabbit breeding times excessive breeding can cause premature male rabbits, but long-term not affect semen quality. The general young male rabbit breeding 1-2 times every day, young male rabbits with 2-3 times, each time interval of 6-8 hours.

        ③加強飼養管理 公兔的體況要求肥瘦適中,過肥的公兔會影響激素的分泌和配種性能。因此,應要求公兔適當運動,以保持種公兔的健康。

        Strengthening the management of male rabbit body condition requirements FeiShou moderate, too fat male rabbit will affect hormone secretion and mating performance. Therefore, should require the male rabbit proper exercise, to keep the health of male rabbit.

        ④提供全價日糧 種公兔的日糧應特別強調蛋白質、無機鹽和維生素的供應。在配種季節來臨前,要提前15- 20天調整日糧,所配日糧應做到營養成分齊全。以滿足公兔配種時的體況消耗。

        Diet to provide adequate diet male rabbit should emphasize protein, inorganic salt and vitamin supply. In the breeding season ago, to advance the 15- 20 days adjust the diet, the diet should be complete nutrients. In order to meet the consumption of male rabbit mating body condition.

        ⑤及時剪短被毛 在配種季節,要及時剪短公兔被毛,一般65-75天剪毛1次,以促進代謝,增強性欲。

        By the time cut short hair in the breeding season, should be promptly cut male rabbit hair, usually 65-75 days shearing 1 times, in order to promote metabolism, enhance sexual desire.

        長毛兔http://m.51haodu.com/ 

        主站蜘蛛池模板: 亚洲精品一线二线三线无人区| 亚洲av黄片一区二区| 97超碰人人人人人人少妇| 亚洲日本欧洲二区精品| 日本老熟妇乱子伦视频| 天堂√在线中文最新版8| 久久久成人毛片无码| 日本亚洲欧洲另类图片| 坐盗市亚洲综合一二三区| 久久亚洲精品中文字幕无| 成人亚洲网站www在线观看| 亚洲第一无码精品久久| 国产综合精品日本亚洲777| 亚洲欧美日韩在线码| 亚洲狠狠婷婷综合久久蜜芽| 把女人弄爽特黄a大片3人| 欧美丰满熟妇xx猛交| 亚洲国产精品热久久| 在线综合亚洲欧美网站| h动态图男女啪啪27报gif| 国自产拍欧美久久一本到88色鬼首页| 国产精品久久二区三区色裕| 国产亚洲人成在线影院| 精子网久久国产精品| 亚洲中文无码线在线观看| 天天躁日日躁狼狼超碰97| 伊人久久综合狼伊人久久| 国产专区综合另类日韩一区| 日本久久精品一区二区三区| 精品久久亚洲一级α| 美女视频在线永久免费观看| 亚洲成在人线电影天堂色| 欧美国产日韩亚洲中文| 国产一区二区丰满熟女人妻| 欧美疯狂做爰3xxx高清| 免费人成网站视频在线观看| 99久久精品久久久久久清纯 | 国产精品视频亚洲二区| 女人夜夜春高潮爽a∨片传媒| 国产免费踩踏调教视频| 91国在线啪|