Clear water culture

A lytic bacteriophage (SGP-1) against Salmonella gallinarum (S. gallinarum) was isolated by an enrichment protocol from the sewage water of a poultry farm. The presence of bacteriophage was observed by spot test over the bacterial lawn and double agar overlay assay. Isolated phage was able to produce clear, circular plaques of 2-3mm diameter on S. gallinarum lawn culture.

11p trinhthamhodang11 27-04-2021 14 2   Download

Chanos chanos, commonly known as Milkfish is one of the most preferred and cultured brackish water finfish species across Southeast Asia. The major source of seed input is smaller fry collected from wild are sold off in minimum prize whereas fingerling size which can be attained in 1-2 month nursery rearing fetches a better prize. Experiments were conducted to find the growth and survivability of wild caught milk fish fry (5-6cm with 0.9 to 1g size), in clear water and biofloc base indoor culture (1 tonne tank) as well as traditional pond condition (0.

11p caygaocaolon5 27-05-2020 24 1   Download

It was examined that weeds cause a lot of problems in the crop field. Weeds compete with the main crop for nutrients, water, food, space, sunlight etc. Weeds utilize the nutrients provided to the main crop and sometimes dominate the main crop. Some weeds are very noxious and they are harmful for both humans as well as animals. It is clearly revealed from studies done in field of weeds that use of herbicides used to control weeds cause many effects on soil as it leads to degradation in the quality of soil, water as well as it pollutes environment.

6p nguathienthan3 27-02-2020 28 1   Download

On farm trials in ten locations were conducted to evaluate efficacy of IDM practices with emphasis on use of bio-control gents for management of rhizome rot in turmeric and to create awareness among the farming community on rhizome rot management during Kharif, 2014-15 to 2016-17 in the farmer’s fields in Krishna District of Andhra Pradesh.

7p cothumenhmong1 11-12-2019 9 0   Download

Human beings have a powerful effect on the environment, as is becoming increasingly clear. Demographic factors are commonly recognized as one of the primary global drivers of human-induced environmental change, along with biophysical, economic, sociopolitical, technological, and cultural factors. Concerns about demographic effects on the environment are

1p trinhosieupham 06-02-2013 41 1   Download