nancy

Find the right shrimp seed farm1. Investigate the qualifications of the shrimp seed farm. The scale, capital strength and reputation are critical factors for shrimp seed farm selection. Production license is a must for a good shrimp seed farm, which indicates the technical capability, management level and the quality of shrimp seed.2. Don’t select the shrimp seeds transported from one farm t ...

Mycotoxin has acute or chronic toxicity to humans and animals, causing damages to liver, kidney, never tissues, hematopoietic tissues and skin tissues of the organism. Experiment shows that the mycotoxin has a strong carcinogenicity.Mycotoxin has great damages to poultry, causing chicken spirit low, feed intake decrease, eggshell quality poor and so on. Because toxins are deposited in the gut and ...

1. Characteristics of the incidence of laying hens in autumnIn autumn, the temperature difference is very large. When temperature is low, the air temperature is beyond the optimal temperature range of the chicken, and in order to ensure the temperature inside the house, the time and frequency of ventilation will be reduced, which leads to poor air quality and increases harmful gas content in the c ...

Influenced by temperature and ultraviolet radiation, the activity of virus is limited in summer, but the higher temperature leads to the decrease of feed intake of chickens. When the feed intake decreases, the intake of energy and protein decreases accordingly. At the same time, the concentration of digestive enzymes in intestine decreases due to the increasing water intake. And the time of chyme ...

SUMMARY Bile acids are intended for use in animal feed as a novel feed additive to enhance fat absorption. As far as we know, few studies in avian species have been reported, and a safety study of bile acids has not been done. Therefore, a subchronic broiler chicken safety study was conducted to evaluate whether or not high-dose bile acids could affect the health of broiler chickens. A total of 32 ...

ABSTRACT The objective of the present study was to evaluate the effect of bile acids derived from swine on the growth performance, carcass traits, serum lipid metabolites and intestinal enzyme activities in broiler chickens. Four hundred thirty-two 1-day-old Arbor Acres male broilers were randomly assigned to 4 treatments with 6 replicates of 18 chicks each for 42 d. The experimental treatments re ...