The initial and early stage of egg production (150 days to 200 days) and the previous period (201 days to 300 days) need to increase the nutrient concentration and feeding times in the diet to meet the nutritional needs and ensure that the ducks reach the peak of egg production smoothly . When the
purpose of usage: This kit is used to determine the omentin content in rat serum, plasma and related liquid samples. Experimental principle The kit uses a double antibody sandwich method to determine the level of rat omentin in the specimen. The microplate was coated with purified rat omentin an
"Intensify reforms in the field of pharmaceutical production and circulation, strictly enforce drug access, ensure the safety and effectiveness of drugs, explore non-essential drugs, medical consumables, and large-scale equipment in the scope of centralized bidding, and import drugs t
First, the middle of fry cultivation techniques l. Pond conditions: The pond should be selected from an area of ​​2 to 5 mu and a water depth of 1.0 to 1.5 meters. An east-west rectangle is appropriate, and the bottom of the pond is flat and less silted to facilitate the operation o
With the rise of corn food, deep processing of corn has also experienced unprecedented development. Traditional corn tea is to grind the corn and boil it to eat. Although rich in nutrition and beautiful in color, its taste is not good. On the basis of traditional processing, the products processed
1 cut off The main purpose is to prevent flea, licking, blood feeding, etc. in the flock. Causes of paralysis: excessive feeding density; excessive indoor light; insufficient troughs and gutters; excessively low crude fibre content; poor ventilation and ventilation and chicken habits. Cuttings ar
1. Limit drinking water When it is decided to moult, you can stop the water for 1 to 2 days, some require you to stop water for 2 days, then recover, and then stop for 3 days afterwards. This can cause the chickens to be stressed and cause moulting. This method should be used cautiously when the w
Municipal, County (District) Price Bureau, Pingtan Comprehensive Experimental Area Economic Development Bureau: Pursuant to the provisions of the “Medicine Government Pricing Measures†and “Drug-to-Economy Price Comparison Rules†(Jing Yi Yi [2011] No. 461), the ma
disease: Flammulina black spot is a bacterial disease caused by Pseudomonas. After the onset of disease, the mushroom mushroom caps appear oval brown or dark brown spots, the initial needle-like, enlarged diameter of 2 to 4 mm, neat edges, and sometimes cracked cap. Control methods: Control the
Since the planting of insect-resistant cotton, the hazard of the cotton field has been rising rapidly. Fuxi has become the main pest of cotton. Recently, the author has continuously received cotton farmers and township agricultural technical personnel to reflect the problem of cotton fuxia intract
At present, it is the frequent season of thunder and lightning that some farmers still have to carry out production operations during thunderstorms. During the operation, it is necessary to strengthen the awareness of lightning prevention and reduce the outdoor production operations during thunder
1. First investigate the purchase of pigs. The breeding pigs must be purchased from a large-scale breeding pig breeding farm with high reputation. The investigation and research work should be done first to understand the production and management status of the breeding pig farms, the epidemic pre