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Results for “CATTLE DISEASES”

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At least 37 records · Page 2Linked to original sources
PubMed1997

Serum apolipoprotein B-100 concentrations in healthy and diseased cattle.

The purpose of this study was to establish the normal range of serum apolipoprotein B-100 (APO B-100) concentration in clinically normal cattle, and to assess its abnormalities with clinical diseases. We measured the serum concentration of APO B-100 in cattle of varying ages, breeds and sex, maintained under normal field conditions. Blood samples were obtained from 735 apparently healthy cattle and 146 cows with various diseases. The concentration of serum APO B-100 in cattle was assayed by the single radial immunodiffusion method. The concentration of serum APO B-100 in healthy adult breeding bulls (mean +/- SD: Holstein; 101 +/- 46 microg/ml, Japanese Black; 106 +/- 46 microg/ml) was significantly (P<0.001) lower than that in cows (Holstein; 259 +/- 63, Japanese Black; 210 +/- 46 microg/ml), while that of APO B-100 in steers (Holstein; 290 +/- 86 microg/ml, Japanese Black; 302 +/- 90 microg/ml) was similar to the level in cows. The concentration of serum APO B-100 in cattle varied with sex and breed. APO B-100 concentration in cattle was decreased in association with metabolic disorders such as ketosis, displaced abomasum and fatty liver. From these results, it is assumed that the level of serum APO B-100 will be applied to diagnosis of metabolic diseases in cattle.

Abomasum↗
PubMed1988

Fibrils from brains of cows with new cattle disease contain scrapie-associated protein.

During the past two years, more than 1,000 cases of a neurological disorder of cattle, bovine spongiform encephalopathy (BSE), have been confirmed from farms throughout Great Britain. The neurological signs and brain pathology of BSE resemble those produced in other species by the pathogens of scrapie and related disorders. The discovery of fibrils similar to scrapie-associated fibrils in detergent extracts o BSE-affected brain supported the clinical and pathological diagnosis of the disease, but has been controversial. Scrapie-associated fibrils are found in brain extracts of all species affected by scrapie and diseases caused by related pathogens. They are pathological aggregates of a neuronal membrane protein termed PrP and a protease-resistant form of PrP is a molecular marker of scrapie-associated fibrils. In this report, we show the major protein of BSE fibrils is the bovine homologue of PrP as judged by its size, protease resistance, immunoreactivity, lectin binding and partial N-terminal protein sequence. This confirms that BSE is a scrapie-like disease.

Amino Acid Sequence↗
PubMed1993

The relationship of Haitian small farm management to goat and cattle diseases.

A 40 week study of 43 farmers, 60 goats and 60 cattle was conducted in order to identify abnormal conditions or diseases and predisposing seasonal, managemental or nutritional factors. Farms were visited, farmers interviewed and animals examined up to 4 times, about every 10 weeks and bled for Ht, total WBC, selected serum vitamins and minerals hair collected for mineral analysis. Soil and forages were collected for analysis. There were serious soil, forage and animal phosphorus and lesser vitamin E and A deficiencies due to a lack of appropriate soil fertilization, and/or dietary insufficiency. Presumptive parasitic anaemia was a common clinical sign in goats (43% incidence) and in cattle (19% incidence). Infectious diseases, external and internal parasitism were partially controlled by animal isolation, movement and tethering, rarely by therapeutics. Overall, livestock condition was fair, reproductive and growth performance poor, but catastrophic disease rare. Ruminant feeding was entirely from scavenging of crop residues for human consumption, or voluntary plants. Given the scarcity and/or high cost of forages, fertilizer, vitamin-mineral supplements, drugs and vaccines, the present system of Haitian small farm management is successful in catastrophic disease prevention, but is inefficient for minor diseases, reproduction and growth.

Animal Husbandry↗