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PROBLEM IN FIELD DAIRY FRISIAN COWS AFTER FEEDING A HIGHLY RANCID RATION
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Abstract: The current study was performed after the incrimination of rancidity in the observed clinical signs of in appetence, emaciation, reduced growth rate, decreased milk production and deaths in four cattle dairy farms at Korashia and Shabshear, El-Gharbia Governorate. Blood samples were collected to estimate the biochemical and pathological changes which accompanied these symptoms indicated presence of hydrolytic rancidity with high peroxide number. Chemical analysis of serum and milk samples collected from the affected animals revealed significant decrease in serum glucose, total protein, albumin, globulin, calcium and phosphorus levels with elevation of liver enzymes, lipid profile and kidney function. On the other hand results of whole milk analysis indicated decrease in the concentration of calcium, phosphorus and vitamins (E and A). Histopathologically toxic hepatitis and hyperplasia of Kupffer cells with portal hemorrhage were noticed. Nephrotic changes with hyper cellularity of the glomeruli were observed. Brain hemorrhages and oedema with some degenerative changes in neurons were also declared. Examined kidney section showed hypertrophy and hypercellularity of the glomerular tafts, while brain had congested cerebral blood vessels and previscular oedema with focal cerebral hemorrhage.
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| Publication year |
2012
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| Pages |
149-165
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| Availability location |
المجلة
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| Agris Categories |
Animal physiology and biochemistry
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| Publication Type |
Researsh & Applied Activities
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