Zobrazeno 1 - 10
of 63
pro vyhledávání: '"R B Cumming"'
Autor:
Athol V. Klieve, R. B. Cumming
Publikováno v:
Avian Pathology. 19:305-312
Summary Six Australian isolates of IB virus were compared as to the severity of respiratory disease they produced and the immunity to challenge they conferred to the respiratory system. Only one isolate. Vac G/15, produced significant disease. Four v
Autor:
R S, Vollertsen, R B, Cumming
Publikováno v:
Minnesota medicine. 78(5)
Publikováno v:
Water Science and Technology. 14:45-59
The principal objective of this research program was to examine the effects of disinfection by chlorine, ozone, and ultraviolet light (uv) irradiation on nonvolatile organic constituents relative to chemical effects and the formation of micropollutan
Publikováno v:
British Poultry Science. 18:749-753
1. Birds affected by fatty liver and kidney syndrome (FLKS) had elevated concentrations of serum Na+, K+, lactate, pyruvate and uric acid and reduced concentrations of serum HCO-3 and glucose. 2. Short-term treatment with biotin or animal tallow redu
Publikováno v:
Australian Veterinary Journal
An infectious bronchitis virus, designated G48, isolated from birds during an outbreak of nephritis in a previously vaccinated broiler flock, overcame the resistance induced in birds vaccinated with 2 commercially available vaccines. Birds vaccinated
Autor:
A. S. Soerjadi-Liem, R. B. Cumming
Publikováno v:
Poultry Science. 63:892-895
To evaluate the practical utility of competitive exclusion as an aid in controlling Salmonella, a survey was conducted in New South Wales, Australia to determine the incidence of Salmonella in 20 broiler flocks at time of slaughter during a 12-month
Publikováno v:
Agricultural Systems. 2:47-65
A model for the determination of an optimal system of broiler production subject to the constraints of commercial practice is outlined. The model can accommodate changes in feed prices, dietary composition and strain of bird in addition to permitting
Publikováno v:
British Poultry Science. 19:583-590
Six pullets from each of an egg-producing and meat-producing strain were ovariectomised at 12 weeks of age. Ovarian regrowth occurred in two of the egg-producing and four of the meat-producing strain. 2. Measurements of heat production and energy bal
Publikováno v:
Avian Pathology. 9:539-550
A series of experiments was conducted to investigate the effects of both continuous and single dose ingestion of aflatoxin B1 on Australian broiler chickens. Aflatoxin levels above 0.5 mg/kg diet decreased food intake and food conversion and retarded
Autor:
G. R. Skurray, R. B. Cumming
Publikováno v:
Journal of the Science of Food and Agriculture. 25:521-527
The simultaneous changes that occur during the manufacturing of meat meals by batch dry rendering were investigated using a pilot-plant dry renderer. During the initial period of heating, water was rapidly removed from the contents of the renderer an