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dioxin toxicity in poultry
Toxic fat syndrome was the name given to an oedema-ascites disease that occurred in broiler chickens in the 1950s, when tallow fat which had...
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Dipartiella simplex
Dipartiella simplex (Raabe, 1959) Stein, 1961 was originally found on the gills of Gobius niger in the Baltic Sea. Some authors...
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Diplectanum laubieri
Morphology. Length 0.53-1.45 mm, width 0.13-0.27 mm. Four eye spots, spherical pharynx, haptor with two squamodiscs (each with 11-16 rows of...
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Diplectanum infection
Host. Sea bass, Dicentrarchus labrax.[Derived from: Woo, PTK, ed., 2006. Fish diseases and disorders, Volume 1: Protozoan and...
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Discocotyle sagittata
Morphology. Length up to 12 mm, width up to 3-4 mm. The rectangular opisthaptor is equipped with four pairs of clamps for attachment to gill...
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Dorper sheep
The Dorper sheep breed was developed in South Africa during the 1930s and 1940s. Surplus mutton and lamb, mainly from indigenous fat-tailed breeds...
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Dorset Horn sheep
The Dorset Horn is derived from the native tan-faced heath sheep of south-west England. It is related to the Portland, which may have been an...
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double sole in cattle
The claw capsule provides the weight-bearing surface of the foot. Its tensile strength and shape enables it to function normally. Abnormalities...
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downer cow syndrome
This is a condition primarily of high-producing dairy cows associated with the post-parturient period. It is not common but a large proportion...
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Dromaius novaehollandiae
The emu is a cursorial bird, which is unable to fly due to poorly developed wings. Both genders have brown-grey and black plumage with soft...
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