Sell fish meal 55% 60% 65%

Description

Quality Test
 
 
A. Sensory impressions
 
1.visual sense:High quality fish meal generally consistent color,Yellow with reddish brown, brown or yellow-brown, etc.Fineness uniformity.Bad fish meal for light yellow, bluish white or dark brown.The fineness and poor uniformity.Adulterated fish meal for yellowish-white or titian, fineness and poor uniformity.Fish meal mixed with weathered soil color yellow.If except fish meal protein denaturation of be affected with damp be affected with damp agglomerate, generally white or gray in color, smell strong, matt.Such as color slants deep black, have coke taste may be spontaneous burning fishmeal.
 
2.sense of smell:High quality fish meal with a salty smell;Inferior fish meal has a foul smell, putrid, or clams;Adulterated fish meal has a light smell, grease or ammonia, etc.If the quantity more or the easier to distinguish adulterated content.Fish meal mixed cottonseed meal and meal,Cottonseed meal and meal, fish meal mixed with urea, slightly has the ammonia smell.
 
3.sense of touch:High-quality fish meal hand twist YuSong shaped texture soft, no sand;Adulteration inferior fish meal and fish meal for fish muscle fiber content less, feel is qualitative hard, rough mill hands.
 
B. Anatomy and microscope examination
 
The general anatomical lens will samples of *0 to *0 times amplification can distinguish, microscope magnified if necessary. Light, such as fishmeal for brown or yellow brown by the fish, fish bones and scales of features can be identified. Fish under the mirror surface is rough, with fiber structure, similar to meat powder, only light colours.Fishbone is translucent to opaque silver body, some pieces of bones is amber, irregular.Scales of flat or curved transparent, with round, color depth, the scales on the surface of fracture, crack milky white.
 
The microscopic examination of adulterated fish meal:
 
1.Fish meal of mixed meal
 
Fishmeal in seed coat of microscopically mixed meal meal, the seed coat characteristic for brown, thin, outer surface with honeycomb mesh and surface luster, the inner surface with soft translucent white sheet attached.Rapeseed dregs of seed and seed kernel fragmentation from together, seed kernel with pale yellow, irregular shape, and without burnish.
 
2.Fish meal mixed cottonseed cake
 
Fish meal, microscopically with cottonseed cake in cotton fiber adhesion on the shell, grains and cake, cotton fiber filaments for white, hollow, flat and frizzy, translucent, luster, pieces of cotton seed shell for brown or reddish brown, thick.Along the edge direction has different color of light yellow or yellow-brown, with steps like surface. Cottonseed pieces for yellow or yellow-brown, contain many round flat black or reddish brown oil glands or gossypol gland.
 
3.Mix fish meal of rice husk powder
 
Fish meal of rice husk powder into microscopically rice husk fragments, pieces of the surface luster and streaks of tic-tac-toe, and visible to the shell on the surface of the fuzz.
 
4.Mixed peanut meal of fish meal
 
Fishmeal adding peanut meal microscopically peanut shell and seed coat, the shell is broken, irregular, of varying thickness of flake, layered.Inner white spongy, fiber interweave, outer surface is tu jin net-like, kind of leather in red, pink, purple, or tan.
 
5.Fish meal with sesame seed cake
 
Fish meal, microscopically adding sesame cake, sesame seed, sesame with tiny circular protrusions, found on the surface of a thin, black, brown or yellow-brown, owing to the different varieties.
 
6.Mixing soybean husk fish meal powder
 
Fish meal powder adding soybean peel microscopically bean skin, yellow or yellowish color piece.Bean curd is concave spots, slightly curly, hilum and visible.Microscopically visible white spongy starch like in block the surface water sample.
 
7.Blending wheat gluten meal
 
Fish powder mixed with wheat gluten microscopically in light yellow or brown, flaky bran.The outer surface of the bran have fine wrinkles, inner surface adhesion starch has many opaque white.
 
8.Mixed leather meal of meal
 
Fish meal powder mixed with leather microscopically in green, dark green and red brick block or filaments, like sawdust, hydrolyzed feather meal did not transparent.
 
9.Mixed hydrolyzed feather meal of meal
 
Of fish meal hydrolyzed feather meal microscopically translucent irregular particles, some reflection.Visible plume axis at the same time, the hollow circle. Also can see failed to adequately hydrolyzed feather.
 
*0.Mix shrimp head or shrimp meat powder, fish meal
 
Fish meal powder mixed with shrimp head microscopically in shrimp, shrimp eyes, shrimp shell and shrimp, etc.Similar curly mica flakes, shrimp shell translucent.A small amount of shrimp meat and shrimp shell together.Shrimp eyes a black spherical granular, powder of shrimp head characteristics of the more easily recognizable.Shrimp must exist in the microscopic as fragment, long tubular, spiral parallel lines.Shrimp legs as wide tubular fragment, translucent, with hair or without hair.
 
*1.Mixing crab shell powder in the fish meal
 
Fish meal of crab shell powder microscopically crab shells into features. Crab shells for pieces of the rules of the outer shell is orange, more porous, and a honeycomb circular concave spot.
 
*2.Fish meal with shell powder
 
Fish meal mixed with shell powder in microscopically shells of tiny particles, the surface is smooth, color is different depending on the species of shells and have bigger difference, some is white or grey, also some in pink.Some particles with concentric or parallel the surface of the outside texture or a dim of wiring harness, some fragments of a jagged rim.
 
*3.Mixing kelp powder in the fish meal
 
Adding kelp fish meal powder microscopically light grey and have yellow spots between lamellar particles, the size, shape, and highly irregular.