Slight heat is the wisdom of the twenty-four times, there is an idiom: "Cold and Winter to the heat.......

sheep:

The natural estrus ewes are bred once every 12-18 hours after the estrus is found; if two breedings are taken, the estruss will be bred shortly after the estrus, and the second time will be 8-12 hours apart.

goat:

Goats have obvious estrus, and estrus can be .......

2009--2014 National Health Expenditures in Fiscal accumulated over four trillion yuan, of which a portion of the investment in grassroots medical institutions, is intended to establish a strong grassroots grading d.......

Preliminary study on the role and mechanism of Wnt non-canonical pathway in mouse Alzheimer's disease model

【Abstract】 Objective To investigate the role and mechanism of Wnt non-canonical pathway in mouse Alzheimer's disease model. Methods Ninet.......

(1) Feed two full-rate meals daily, at 8:00 am and 16:00 pm, 2.3-2.5 kg per day, and add one egg for the breeding period.

(2) Single-column rearing, each boar covers an area of ​​6-10 square meters, and summer heat-stroke cooling should be taken into account.

.......

Introducing and breeding production technology of Lulu black pig. The black pigs in front of us are not ordinary. After six generations of breeding, they have excellent local breed characteristics, and they are introduced into the pedigrees of foreign lean pig breeds, so that they have the adv.......

Produced by: China Science Expo SELF Gezhi Road Forum

With the change of history, the causes of human unnatural death are also constantly changing: before 1900, mainly hunger and war; from 1901 to 1950, it was mainly infectious diseases; from 1951 to .......

The perforation of peach brown spots mainly damages the leaves, also harms shoots and fruits, and directly affects the formation of flower buds in the following year. The prevention and control methods are as follows:

Strengthen the cultivation and management, increase the applicat.......

Once upon a time, people had high hopes for medical big data investment, but how to turn large and diverse data sets into practical insights has become a hindrance to the desire to come true. In 2016, the medical i.......

Speaking of the CT industry, you may think of GE, Siemens, and Philips at once. Indeed, these three are the leaders in the CT industry. However, with the rapid development of China's CT industry, the pattern of the GPS monopoly market is breaking. What is expected to brea.......

1. Incidence conditions

The optimum temperature of Botrytis cinerea is 20-23°C. The cultivation of greenhouses is endangered from December to May of the following year. The temperature is low in winter and spring, and there is more rainy weather. The relative humidity in the she.......

Since the beginning of this year, the province has focused on improving the service capacity of primary health care institutions, further optimized and perfected the grading diagnosis and treatment system, and promoted the establishment of a rat.......