Showing posts with label salmon. Show all posts
Showing posts with label salmon. Show all posts

Saturday, November 21, 2015

THE FIRST GM FOOD ANIMAL GETS APPROVAL.; THE ATLANTIC SALMON.

After two decades of deliberation, the USA's Food and Drug Administration has approved the first ever genetically engineered food animal, a fast-growing Atlantic Salmon called AquAdvantage salmon. The modified salmon are safe to eat, equally nutritious as other salmon, and should pose no threat to the environment.The Atlantic salmon are modified to carry a growth hormone gene from Chinook salmon. The gene is further engineered to be under the control of a tiny bit of DNA, called a promoter, from the eel-like ocean pout fish. In general, DNA promoters are non-coding sequences that help control the expression level of a gene—how much protein product is synthesized from the gene. With the engineered promoter boosting hormone production, the modified salmon grow to market-size in about half the time of conventional Atlantic salmon. The long approval process, the FDA assessed the nutritional profiles and hormone levels, comparing the modified fish to unmodified farm-raised Atlantic salmon. The agency found no significant differences.Read more here;http://arstechnica.com/science/2015/11/fda-approves-first-gmo-food-animal-atlantic-salmon/

Thursday, July 9, 2015

PROTEIN IN DOG FOOD.

Dogs rely on protein to provide muscle building blocks and essential amino acids that are necessary for vital cell processes.The lack of protein in diet results in lean muscles,reduced energy,the immune system is compromised and coat is dry and flaky. The sources of protein for dog food may be plant-derived or animal-derived but the important index for selecting a protein source is the biological value.The biological value of protein refers to the availability of the protein in the food to the dog,foods with high biological value are the most suitable sources releasing the necessary nutrients because they are readily digestible. Foods that contain protein of low biological value are not easily digested resulting in low availability of protein to the dog and resultant deficiency.When a dog food is to be assessed ,the protein level must be ascertained to be of high biological value.Proteins of high biological value are expensive so when incorporated to dog food raises the cost while low protein of low biological value are cheap making such dog food cheap. Foods of high biological value are 1) eggs; these are of high biological value ,they are readily accessible in the diet especially when boiled.Eggs hold a higher value than meat. Fish; these include tuna,salmon and fishes high in fish oil because of omega3fatty acids,that helps to give coat a shiny coat. Meat ; beef,chicken,turkey,duck and lamb. The nutritive value of beef is drawn out by drying,then pulverizing, the water ,fat is removed then the remnant is ground into powder and incorporated into meal.This makes the meat readily digestible,making all nutrients available. Protein of low biological value include animal by-products such as hair,hooves,horn and feathers.Dog food that will provide the necessary protein level must have a high biological value ,the higher the value the more digestible the food and the less waste the dog will produce.

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veterinarymedicineechbeebolanle-ojuri.blogspot.com Cassava: benefits of garri as a fermented food. Cassava processing involves fermentation which is a plus for gut health. The fermentation process removes the cyanogenic glucosides present in the fres...

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