Biomaterial Database

Pen oxygen concentration and pulmonary hypertension-induced right ventricular failure and ascites in meat-type chickens at low altitude. 1992

R J Julian, and B Wilson

Department of Pathology, University of Guelph, Ontario, Canada.

Percentage O2 and CO2 were measured in the air in environmentally controlled commercial poultry pens (altitude approximately 300 m) containing broiler or roaster chickens 14 to 56 days of age. Outside air (mean of 10 samples) measured 20.85% O2 and 0.041% CO2. Air in the pens had significantly lower O2 and higher CO2 than outside air; however, air in 25 pens with a high incidence of ascites (mean 20.50% O2, 0.264% CO2) was not different from the air in 25 pens with a low incidence of ascites (mean 20.49% O2, 0.319% CO2). The lowest pen O2 was 20.20%, which would not cause reduced hemoglobin saturation (percent oxygen) of the arterial blood of normal chickens.

UI	MeSH Term	Description	Entries
D006976	Hypertension, Pulmonary	Increased VASCULAR RESISTANCE in the PULMONARY CIRCULATION, usually secondary to HEART DISEASES or LUNG DISEASES.	Pulmonary Hypertension
D010100	Oxygen	An element with atomic symbol O, atomic number 8, and atomic weight [15.99903; 15.99977]. It is the most abundant element on earth and essential for respiration.	Dioxygen,Oxygen-16,Oxygen 16
D011201	Poultry Diseases	Diseases of birds which are raised as a source of meat or eggs for human consumption and are usually found in barnyards, hatcheries, etc. The concept is differentiated from BIRD DISEASES which is for diseases of birds not considered poultry and usually found in zoos, parks, and the wild.	Disease, Poultry,Diseases, Poultry,Poultry Disease
D002245	Carbon Dioxide	A colorless, odorless gas that can be formed by the body and is necessary for the respiration cycle of plants and animals.	Carbonic Anhydride,Anhydride, Carbonic,Dioxide, Carbon
D002645	Chickens	Common name for the species Gallus gallus, the domestic fowl, in the family Phasianidae, order GALLIFORMES. It is descended from the red jungle fowl of SOUTHEAST ASIA.	Gallus gallus,Gallus domesticus,Gallus gallus domesticus,Chicken
D006799	Housing, Animal	The physical environment in which animals are maintained.	Animal Housing
D000388	Air	The mixture of gases present in the earth's atmosphere consisting of oxygen, nitrogen, carbon dioxide, and small amounts of other gases.
D000531	Altitude	A vertical distance measured from a known level on the surface of a planet or other celestial body.	Altitudes
D000818	Animals	Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA.	Animal,Metazoa,Animalia
D001201	Ascites	Accumulation or retention of free fluid within the peritoneal cavity.