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What happens to living beings after death in the water?

What happens to the Living beings who live in the ocean and die there, or other beings that die in the ocean?

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Living Beings who die near water
After life of living beings who die near sea shore or in water. Pixabay

– By Dr. Bharti Raizada

June 17, 2017: A couple of days back, I was walking on the beach, and a question came to my mind: What happens to living beings that die in the ocean? Living beings who live in the ocean and die there, or other beings that die in the ocean (for example if a plane crashes in an ocean, or a ship sinks or a wave takes someone with it, etc). I did some research and found this:

If a living being dies on land and is not burnt or buried, then either scavenger eat the body, or it is decomposed, or it becomes a fossil. Similarly, when a living body dies in the ocean, it is either scavenged, decomposed or becomes a fossil.

At the ocean floor, dead bodies become food for deep-sea animals. First, there is a stage of mobile scavenging in which scavengers eat the body. Then there is an enrichment opportunist stage, in which small organisms live inside remains of the body, and finally, there is the sulpho philic stage, in which hydrogen sulfide emitting bacteria help feed chemotrophic organisms.

If the dead body is quickly covered by sediment and left undisturbed, it becomes a fossil. How fast a body becomes decomposed or scavenged depends on various factors: oxygen level, temperature, depth, light, speed of sinking, etc.

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Some interesting words related to this topic are:

Detritivore is an organism that feeds on dead or decomposing organic matter. Taphonomy is the study of the processes that affect animal and plant remains as they become fossilized. A taphonomist is the person who does this study.

Chemotropism is the orientation of cells or organisms in relation to chemical stimuli.

This is all I have found. Please share your opinion on what you think, or if you have any additional relevant information.


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High Levels of Bacteria Found in Raw Meat Dog Foods, Says Study

Dogs should not be fed raw meat products while being treated with antibiotics as this could increase the risk of antibiotic resistance

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Gut Bacteria.
Gut Bacteria. Pixabay

Feeding your pooch with raw meat could pose potential health risks as they contain high levels of bacteria, researchers have warned.

A study by researchers from the University of Agricultural Sciences in Sweden showed that many raw meat products contain enterobacteriaceae species, which are indicators of faecal contamination and hygiene standards.

Such food products can also cause health risks to people, particularly infants, elderly and those with poor immunity, the study said.

A raw meat-based diet has become increasingly popular with dogs in recent years because it is seen as a “healthier natural alternative” to the widely available commercial products.

But unlike commercial feeds, raw meat products are not heat treated or freeze dried to pasteurise, the research team added.

For the study, published in the journal Vet Record, researchers took samples from 60 packs of raw meat samples that were analysed for bacteria, including enterobacteriaceae species — clostridium perfringens, salmonella and campylobacter.

Family walk with dog. Pixabay

Nearly 31 samples (52 per cent) contained bacteria levels that exceeded the 5,000 bacteria per gram maximum threshold set by the European Union regulations, said the study.

Escherichia coli was found in about a third of the samples. Clostridium perfringens, another marker of faecal contamination and hygiene standards, was found in 18 samples (30 per cent).

In addition, salmonella species were found in four (seven per cent) of the 60 samples, while campylobacter species were found in three samples from three different manufacturers.

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Dogs should not be fed raw meat products while being treated with antibiotics as this could increase the risk of antibiotic resistance, the researchers noted.

“Bacteria such as escherichia coli and salmonella can cause significant gastrointestinal disease in animals,” said Daniella Dos Santos, Junior Vice-President at the British Veterinary Association.

“We would advise any pet owner wanting to try a raw meat-based diet to first consult a veterinary surgeon,” Santos said. (IANS)