1 Scope This regulation is applicable to the feeding and management of beef cattle in the polluti...

Dr. Yang: Hello! I am a rural veterinarian. I often encounter sterilized gilts reared by farmers....

Every holiday, friends and relatives will inevitably drink a few drinks. However, from past experi...

1. The nutrients contained in organic fertilizers are not balanced and cannot meet the needs of hi...

Ammoniated straw is only suitable for ruminants cattle and sheep, and can not feed monogastric live...

Must be combined with artificial inflorescence in order to eliminate the inflorescence of the bad ...

How to use a pressure cooker to cook rice dumplings: After reading the following content, you wil...

Pharmaceutical glass standard <br> <br> Chinese pharmaceutical glass existing standards ...

Among many water quality indicators, dissolved oxygen always runs through the whole process of aqua...

Health care for the elderly is particularly important. Experts tell us that in the springtime, hea...

Variety characteristics Plants erect, single-dried, can be planted in four seasons. Leaves heart-...

All currently require autoclave distilled water or pure water during operational use, as with pure ...