the nutrient requirements and performance guidelines of management guides are based upon many actual flock results obtained under good environmental and management conditions. in practice and under the prevalent poultry industry situation, through these nutrient levels, iranian farmers cannot attain the performance reported in management guidelines. an estimation of the model of broiler breeder...

1Head Clinical Unit: Surgery, New Somerset Hospital, Cape Town, South Africa 2Senior Lecturer, University of Cape Town, Cape Town, South Africa 3Private Practice, Somerset West, South Africa 4Private Practice, Bellville, South Africa 5Private Practice, George and Consultant Surgeon George Provincial Hospital, South Africa 6Honorary Senior Lecturer, University of Cape Town, Cape Town, South Afri...

The Society of Surgical Oncology surgical practice guidelines focus on the signs and symptoms of primary cancer, timely evaluation of the symptomatic patient, appropriate preoperative evaluation for extent of disease, and role of the surgeon in diagnosis and treatment. Separate sections on adjuvant therapy, follow-up programs, or management of recurrent cancer have been intentionally omitted. W...