Measurement of endogenous amino acid losses in poultry     

P. Siriwan  W. L. Bryden  Y. Mollah  E. F. Annison 《British poultry science》1993,34(5):939-949

1. Ileal endogenous amino acid losses were determined in broiler chickens and in cannulated cross‐bred layer strain cockerels using either a nitrogen‐free diet, regression analysis or a 48 h fast.

2. Endogenous amino acid flows to the ileum in fasted cockerels were significantly lower than those obtained both by feeding the nitrogen‐free diet, and from regression analysis in either broilers or cockerels. Regression analysis gave the highest flows.

3. The apparent digestibility coefficients of amino acids in a diet containing 200 g/kg crude protein were lower in broilers (0.84) than in cockerels (0.88). When corrected, by regression analysis, for the contribution of endogenous amino acids, the true digestibility coefficients became 0.90 and 0.92 respectively.  相似文献   

Does veterinary dermatology interest you?     

Schroeder SW 《The Canadian veterinary journal. La revue veterinaire canadienne》1993,34(8):456

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Courtly naturalism     

Cook HJ 《Science (New York, N.Y.)》1995,267(5202):1368

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Data on the web?     

Ballard JW 《Science (New York, N.Y.)》1995,270(5233):13d-14d

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Universities are our responsibility   总被引：1，自引：0，他引：1  

Danforth WH 《Science (New York, N.Y.)》1995,269(5231):1651

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Chairman of the house science committee     

Abelson PH 《Science (New York, N.Y.)》1995,267(5195):155

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High technology and trade     

Abelson PH 《Science (New York, N.Y.)》1995,269(5220):11

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International agriculture     

Abelson PH 《Science (New York, N.Y.)》1995,268(5207):11

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A pulmonary granular cell tumour with associated hypertrophic osteopathy in a horse     

Sutton RH  Coleman GT 《New Zealand veterinary journal》1995,43(3):123

Abstract Extract A 15-year-old pony mare developed firm irregular bony swellings on all four legs. These were most severe around the carpal and fetlock joints of the forelegs, restricting both flexion and extension. Over about 6 months the horse had periodic bouts of coughing. She showed moderate weight loss and a depressed demeanour.  相似文献   

The control of bovine tuberculosis in New Zealand     

O'Neil BD  Pharo HJ 《New Zealand veterinary journal》1995,43(7):249-255

Mycobacterium bovis was probably introduced into New Zealand with cattle imported in the early 19th century. A tuberculosis control programme was introduced for cattle in 1945. However, the control of tuberculosis in cattle and deer in New Zealand over the past two decades has been hampered by the presence of an important wildlife reservoir, the Australian brushtail possum (Trichosurus vulpecula). While the importance of this source of infection has been suspected by the Ministry of Agriculture for some time, scientific proof has been lacking until recently. A new control programme is currently being finalized with the following objectives: to reduce the prevalence of herd infection in vector free areas to internationally accepted levels, to prevent the establishment of tuberculous vectors in new areas, to decrease the number and size of existing areas where tuberculous vectors exist, and to encourage land-owners to take action against tuberculosis on their properties and in their herds.  相似文献