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You still think raising chickens under the forest is ecological agriculture.
You still think raising chickens under the forest is ecological agriculture.
2019-02-18 -
What if the egg production of laying hens decreases?
What if the egg production of laying hens decreases?
2018-07-04 -
The country's total cotton output continued to be reduced by 5.605 million tons in 2015.
According to the national cotton production data released by the National Bureau of Statistics, the country's total cotton output in 2015 was 5.605 million tons, a decrease of 574000 tons or 9.3 percent compared with 2014. The decrease in cotton production is mainly due to the decrease in area. In 2015, the cotton sown area in China was 3799.0 thousand hectares (5698).
2015-12-26 2015 the whole country cotton continue reduce production total output 5.605 million tons -
Heat stress and its control in pigs in summer
Heat stress refers to the sum of non-specific physiological responses of the body to any requirements put forward by the thermal environment in an extremely high ambient temperature. With the rapid development of intensive and high-density feeding, most southern regions are becoming more and more urgent to alleviate the environmental pressure caused by high temperature in summer on the pig industry, and the climate in the north also has an increasing trend. In recent years, the highest temperature in Beijing has also reached more than 40 degrees. The decline of pig productivity caused by heat stress has attracted more and more attention of livestock environment and feed nutrition researchers. Japanese, American, British and other Chinese studies
2019-01-15 -
Land increase and decrease linked to inter-county transfer
Recently, Guangdong, Zhejiang, Anhui and other provinces have begun to brew policy innovation for inter-county transfer of linked indicators, and some provinces have begun to deploy pilot projects to explore first. It is reported that the Ministry of Land and Resources has begun to appropriately expand the pilot project of linking increase and decrease on the basis of the county.
2016-03-20 Land increase or decrease linked cross-county circulation recently Guangdong Zhejiang -
Clinical manifestations, prevention and treatment of heat stress in chickens
(1) the tolerance of chickens to heat. Because chickens have physiological characteristics such as high body temperature, exuberant metabolism and no sweat glands, the ability to tolerate high temperature environment is low, so high temperature has become the most harmful stress factor in chicken stressors. According to relevant measurements, the best digestion temperature for laying hens raised in China is 21-24 ℃, the best laying temperature is 15-20 ℃, and the relative humidity is 60% Mel 65%. When the egg production is above 28 ℃, the egg production decreases, and 1 ℃ per liter, the heat dissipation decreases, and the feed intake decreases by 1.6%, and 3% at about 30 ℃.
2019-01-16 -
What is the reason for the decrease in the purity of corn seeds? How to improve?
The yield of maize is also closely related to the purity of varieties. In the same variety, the yield of planting high-purity seeds is higher than that of low-purity seeds, and the yield is decreasing with the decrease of purity. What is the reason for the decrease in the purity of corn seeds? Such as
2020-11-09 Corn seed purity decrease reason what is it how -
The output value of China's panel industry decreased by 30% in the first four months of this year.
1. China's LCD panel and its components industry (referred to as the panel industry), driven by the demand for LCD TVs, laptops, mobile phones and other products, broke through the trillion yuan mark in 1996, reaching a record high of 1 trillion 182.6 billion yuan, but was affected by the financial tsunami.
2018-07-01 -
Rapeseed purchases decreased 54% in 2015 compared with the same period last year.
According to relevant statistics, as of September 30, various grain enterprises in Sichuan, Hubei and other nine major producing areas had purchased 10,000 tons of newly produced rapeseed, a decrease of 1.88 million tons, or 54 percent, over the same period last year. Due to the policy adjustment and cancellation of the unified temporary storage acquisition this year, rape was caused.
2016-01-10 In 2015 rapeseed purchase volume year-on-year decreased 54% according to related -
Reasons for the decrease of food intake in mutton sheep
Reasons for the decrease of food intake in mutton sheep
2019-11-04 -
Analysis on the relationship between gecko activity and temperature
Gekko gecko is a temperature-changing animal, and its body temperature changes with the change of ambient temperature. When the ambient temperature is suitable, the gecko has a strong appetite, an increase in food intake and a faster growth rate; when the temperature decreases, the gecko's body temperature decreases, the activity decreases, the appetite decreases, the appetite is small or not, and the growth rate is fast.
2020-11-08 Analysis gecko activity and temperature relationship is -
Strategic Grain expects the EU's grain acreage to decrease by 1.8% in 2010
Strategic Grain expects the EU's grain acreage to decrease by 1.8% in 2010
2019-02-23 -
The planting area of vegetables decreased slightly at the end of July and the supply was guaranteed in August.
According to the monitoring of the vegetable production Information Network of the Ministry of Agriculture, vegetable supply decreased in July compared with the same period last year and month-on-month, while wholesale prices rose year-on-year and remained flat. In August, vegetable supply is expected to be guaranteed on the whole, and wholesale prices are steadily rising. The supply of vegetables enters the summer light in July.
2016-01-10 At the end of the month vegetables planting area slightly reduced August supply due according to -
The domestic wheat price slowly rebounded and the stored wheat transaction decreased.
Due to the decrease of grain supply in the circulation market and the high price of national temporary storage wheat, the domestic wheat price has rebounded as a whole, but it has rebounded slowly due to weak demand. By the first ten days of November, the average purchase price of third-class wheat in Jiangsu was 2304 yuan / ton.
2016-01-10 Domestic wheat price slow rebounding temporary storage wheat transaction decline -
Environment and feed for laying hens in autumn
Environment and feed for laying hens in autumn
2018-06-30 -
Heat stress and its mitigation measures in summer and autumn chickens
Effect of heat stress on broilers 1. Physiological and biochemical changes of broilers under heat stress. When the ambient temperature rises, the chicken body temperature will rise with the ambient temperature rise, at this time the heart rate will accelerate, blood pressure will decrease, breathing will accelerate wheezing, and respiratory intoxication will occur in severe cases. In addition, heat stress can also lead to endocrine disorder, adrenocorticosteroid concentration increased significantly in the early stage of heat stress, but gradually decreased thyroid hormone secretion, activity decreased resulting in reduced metabolic rate. 2. Heat stress on meat
2019-01-15 -
Seed market is expected to bottom out in the third quarter
Editor's note: in recent years, some seed stocks have been serious, corn and rice seed supply has exceeded demand, the number of seed enterprises and seed production areas have been reduced, and production capacity has declined. According to the general rule, the seed market will enter the rising cycle after two or three years of low ebb. National Agricultural Technology Center last year
2016-01-10 third quarter seed industry market hopeful bottoming out recovery editor's note; -
The number of insects in the world is decreasing, and there are many insects that are going to die out, and extinct insects will not come back.
Global insect populations are falling fast, you know? An international scholar recently published a large-scale study, pointing out that the number of insects in the world is decreasing rapidly. If the situation persists, they may become extinct within 100 years, further affecting the food chain and causing natural ecosystems to become extinct.
2019-02-12 global insect number decrease imminent extinct have many -
Composting of Pig manure and its Application in Earthworm Culture
In recent years, with the rapid development of livestock and poultry breeding industry in China, livestock and poultry fecal wastes are also increasing. the fecal wastes of some livestock and poultry farms are discharged without treatment.
2019-02-27 -
Accumulation of macadamia nut oil
Macadamia nuts take about 215 days from fruiting to ripening, and when they mature 30 weeks after flowering, the kernel oil content of macadamia nuts is 75% Mel 79%. With the development of the fruit, the oil content of the kernel increases, while the total nitrogen (crude protein content) decreases, and the total sugar in the flower.
2015-12-26 Australia nuts oil points accumulation from fruit