The ability of the piglet to adapt to changes in the environment during this period requires the staff to have a stronger sense of responsibility to save more piglets. According to a survey of causes of death over the years, 65%-78% of piglet deaths occurred during this period of time. The…
PV=NRT
P pressure
V volume
NR constant
T temperature This material contains a metal empty box with a certain volume of gas. According to the formula, the temperature is constant. The larger the air pressure, the larger the volume is. The exp…
Planting: greenhouse cultivation, multi-purpose potted plants. Pots were cultured with rot-leaf, garden soil and river sand, and the base fertilizer was applied. When the seedlings grew 3-4 true leaves, the pots were transplanted. When transplanting, bring soil, do not hurt the leaves and …
According to a new research report released by Research and Markets, global sales of gastrointestinal drugs have exceeded US$11 billion in 2009, and are still compounded by slightly higher than the industry average. The annual growth rate (CAGR) is increasi…
Autumn is from the beginning of autumn to the beginning of winter 3 months, autumn is characterized by heat to cold, Yang Xiao Yin long. Therefore, autumn health care must follow the principle of “relying on incomeâ€. Among them, dietary health should focus on moistening dryness…
According to customs statistics, in August of this year, the export value of agricultural products in Yunnan Province doubled. Exports of agricultural products amounted to 427,000 tons, an increase of 7.5% year-on-year, and foreign exchange earning reached …
Many people often feel tired and weak during the morning work, and their concentration is difficult. It stands to reason that after a night's sleep, the brain has been rested, and after breakfast it should be energetic. Why does this happen? Do not think that it is "insufficient s…
In order to maintain good milking cows, the dry period is generally divided into two stages: dry milk and dry milk. The entire period from the beginning of dry milk until 15 days before calving is called the pre-drying period, and the 2 weeks before calving to delivery is often called the …