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杂交繁育

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Euler early after the sheep and Tibetan wild argali sheep constantly cross-breeding of the skin after the formation of a combination of high-quality goat type species, with strong disease resistance, cold resistance, fitness, and growth and development of fast, high-volume production of meat, fresh meat No smell of mutton taste, commodity rates, operation agility, teamwork and strong resistance, feeding coarse, easily bred and hides, and skin thickness, strong, flexible, and strong features such as heat, is the best skin products market.

欧拉羊是早期经过野生盘羊和藏系羊不断杂交,繁育后形成的皮肉兼用型优质羊种,具有抗病力强,耐高寒,体格大,生长发育快、产肉量高、肉质鲜嫩无膻味,商品率高,行动敏捷,合群性强,耐粗饲、易饲养及皮张大,皮板厚,结实、柔韧性好、保暖性强等特点,是皮肉市场中的上乘品。2005年在首届青海高原特色农畜产品展示会上被评为优质畜种。

Blood samples from 23 Huacaya alpacas ,3 males and 20 females ,were used to study chromosome karyotype ,so as to provide some effective cytogenetics basis for the selectioiymprovement by crossing and disease diagnosis of alpacas ,and genetic mechanisms of sex determination. Peripheral blood lymphocyte culture was used to prepare chromosome. Methods of trypsase-EDTA and BSG (Barium hydroxide / Saline / Giemsa)were used for G-banding and C-banding respectively . The results showed as follows:Firstly , the number of diploid chromosomes was in the alpacas 2n=74,with the karyotype 74, XY and 74, XX for males and females respectively.

为了从选种、杂交改良、疾病诊断以及性别决定的遗传机制等方面为羊驼的繁育与推广提供更为有效的细胞遗传学资料,本试验采用外周血淋巴细胞培养法制备染色体,分析了23只胡阿基亚型羊驼(Huacaya alpaca,雌20只,雄3只)的染色体及其核型,并通过BSG法(Barium hydroxide/Saline/Giemsa,氢氧化钡-盐溶液-吉姆萨,也即Sumner BSG法)与胰酶-EDTA法分别对羊驼的C-分带和G-分带进行分析,结果表明:(1)羊驼二倍体染色体数目为2n=74,雄性羊驼核型为74,XY;雌性羊驼核型为74,XX。

In particular, pure of Small Tail Han Sheep, Boer goat breeding multiple births, Luxi Cattle, Simmental, Charolais cattle, Limousin cattle, high-yielding dairy cattle, beef cattle improvement, hybridization, and embryo transfer projects such as research, has made a major contribution.

尤其对小尾寒羊纯种、波尔山羊多胎繁育、鲁西黄牛、西门塔尔牛、夏洛莱牛、利木赞牛、高产奶牛、肉牛改良、杂交、胚胎移植等项目研究,作出了重大贡献。

Now we are seeing the pretty rare Lion-tiger animal who came from Korea, the generation of a female lion and male tiger. They can copulate because they belong to felid, but the child of them cannot raise anymore and has no biology value. There are only 10 lion-tigers in the world, and the surviving ratio is just 3‰.

现在我们看到的是极其罕见的狮虎兽,它产自韩国,是由雄性狮子和雌性虎交配后所产的后代,因同属猫科动物所以能达到交配,它同马和骡子杂交的后代骡子一样,并不具有下一代繁育的能力,并没有生物学价值,全世界狮虎兽只有10余只,成活率是千分之三左右。

The Triangle town of the agricultural sector and seed breeding of aquatic products in the relevant market with the help of fisheries experts, for the first time in Guangdong Province will be carried out and the area north of Hunan and Hubei and the snakehead Channa spot of Hong Kong to carry out research crossbreeding.

2000年起,三角镇农业部门和裕荣水产种苗繁育场一起在相关水产专家的协助下,首次在广东省开展了将两湖及以北地区的乌鳢与香港地区的斑鳢进行杂交育种的研究工作。

To expand through demonstrater to hybrid cattles.To expand through provicing fine embrgo and transplanting technology to breeding.

杂交牛规模化快速育肥技术通过生产示范进行辐射推广,繁育技术通过提供优秀母牛胚胎和胚胎移植技术服务进行辐射。

In the present study, distant hybridizations between wild Hucho taimen and Brachymystax lenok were carried out by gonadal hormone induction and artifical propagation.

通过性激素药物诱导和全人工繁育技术对野生哲罗鲑与细鳞鲑进行远缘杂交。

Growth situation but also re-hybridization or backcrossing so that after three to four generations of breeding can achieve the purpose of rejuvenation.

生长状况,还可再次杂交或回交,这样经过三到四代的繁育,可达到复壮的目的。

According to the Pyongyang Times, cultivators 'have ensured the right temperature in day and at night and prevented damage from blights ...

节日组委会向全国各地的温室提供了通过组织培养方法繁育的种子,以增加&金日成花&的种植,这种杂交兰花以金日成的名字命名。

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Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气,收缩臀部肌肉;拱起身体,尽量抬起头来,右腿伸直朝向天花板(膝微屈,以避免肌肉紧张)。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化,但却比去年同期高8%。

However, to get a true quote, you will need to provide detailed personal and financial information.

然而,要让一个真正的引用,你需要提供详细的个人和财务信息。