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Cats maintain higher blood Se concentrations compared to dogs and, unlike dogs, show no signs of chronic Se toxicity (selenosis) when fed dietary organic Se (selenomethionine) concentrations of 10 µg/g DM. This study investigated the response of cats and dogs to high dietary concentrations of sodium selenite and organic Se to determine differences in metabolism between both species. In 2 consecutive studies, 18 adult cats and 18 adult dogs of equal sex were fed a control diet (0.6 µg Se/g DM) or the control diet supplemented to 8 to 10 µg Se/g DM from Na2SeO3 or organic Se for 3 wk. All animals were fed the control diet 1 mo before the start of the study and blood samples were taken on d 0 and 21. The Se balance was assessed during the final week and a liver biopsy was obtained on the final day of the study. Measurements included plasma Se concentrations, plasma glutathione peroxidise (GPx) activities, plasma Se clearance, Se intake, and urinary Se excretion. No clinical signs of selenosis were observed in the cats or dogs, and apart from Se clearance, form of Se had no effect on any of the measurements. Apparent fecal Se absorption was greater in the dogs fed both forms of Se, while greater plasma Se concentrations were observed in the cats on both the control and supplemented diet (P = 0.034). Cats fed the supplemented diets had lower hepatic Se concentrations (P

The response of cats to dietary sodium selenite (Na2SeO3) and organically bound selenium was studied in two separate studies with four cats per treatment and three levels of selenium supplementation (targets 1.0, 1.5 and 2.0 µg/g DM) for each Se source. Whole blood and plasma selenium concentrations and glutathione peroxidase (GPx) activity were determined at 7-time points across the 32-day study. Faeces were quantitatively collected during the last 8 days and urine was collected daily during both studies. The basal diet used had a low apparent faecal selenium absorption of 25.3 ± 3.0%. Daily faecal and urinary selenium excretion increased linearly with increasing selenium intake for both Se sources. Urinary selenium concentration of the cats fed the supplemented diets increased rapidly (~2 days) and remained constant throughout the remainder of the study. Apparent faecal selenium absorption was high for both selenium sources (73.2% and 80.0%). Plasma, and to a lesser extent, whole blood selenium concentrations increased in a dose-dependent manner with supplementation. Whole blood and plasma GPx activity were highly variable and showed a variable response to dietary selenium intake. Cats closely regulate selenium homeostasis through increasing urinary excretion whilst faecal absorption remains unaffected

This spring issue has student essays on the future of Canadians and rural social life. Articles include using the hydrometer in orchard work, the high cost of living in the United States, how flax contributes to soil depletion, and the efficacy of sprouted wheat. The Experimental column articles pertain to crops for pastures, starch by-products, and the study of horticulture as a science. The Poultry column addresses advertising in the poultry industry, and housing poultry on the farm. Campus news reports on the end of semester activities that include the athletic concert, and the winning athletic teams. Alumnae news is in the Macdonald column and alumni updates are in the Alumni column. The Canadians of the future Social life in rural districts The hydrometer and the lime sulphur wash The cost of living in the United States Agriculture The draught of flax upon the soil: a comparison The effect of sprouting on the germination of wheat Experimental An annual pasture mixture By-products of the Edwardsburg Starch Factory Horticulture Horticulture and science Music Everywhere Poultry Advertising Poultry keeping on the farm Editorial College Life Athletic concert Sovereign Moments Athletics Indoor meet Alumni Macdonald Eyes to see Among ourselves Knowledge Much ado about nothing Schools' and Teachers' Department Locals advertising

This issue's articles address the mandate of the Canadian Seed Growers' Association, H. G. Wells' perspective on socialism, successful methods of growing potatoes, and the necessity of tree planting on the Prairies. The Horticulture column features articles on fruit growing in Lambton County and Algoma. Campus news reports the annual field day results, the value of the campus fire brigade, activities of the Y. M. C. A., and the Union Society's debate. The Macdonald Institute column contains the Y. W. C. A. conference delegate's report, an update on the household science department at the University of Illinois, and the events of the At Home promenade. Alumni news is available in the Alumni column. The Canadian Seed Growers' Association Peace Modern socialism Moonlight Experimental Some successful methods of growing potatoes Prairie tree planting Horticulture What Ontario offers the young man in horticulture Fruit growing in Lambton County Fruit growing in Algoma Editorial College Life Athletics Field Day Alumni At Husking Time An Etching Macdonald The summer conference at Muskoka Household Science in Illinois Among Ourselves Much ado about nothing Schools' and Teachers' Department Locals advertising

This is a thematic issue on poultry. Articles report on the poultry industry in Maine, the future of the industry, poultry pathology, and the profitability of poultry. Agricultural articles address horse breeding, moisture in dairy products, and the profitability of farming in the Niagara Peninsula. Campus news includes activities of the Short Courses, Y. M. C. A., Massey Hall lecture, poultry club, the scarlet fever scare in Guelph, and the hockey season. The Macdonald Institute column outlines the Y. W. C. A. conference lecture on China and the cancelation of the At Home promenade due to fears of a scarlet fever epidemic. Alumni news is available in the Alumni column. The poultry industry in Maine The poultry business Snowfall Poultry pathology: its place in the curriculum Agriculture The ex-student and the horse he drives Experimental Profit in poultry Moisture in dairy products Foundations Horticulture What Ontario offers the young man in horticulture Life and profits in the Peach Belt Editorial College Life Athletics Our coming indoor meet Alumni Macdonald China as it was presented at the Conference Among ourselves Much ado about nothing School's and Teacher's Department Locals advertising

This issue starts the new school year with articles on politics, farming in South Africa, the benefits of a National Association of Dairy Instructors, and how the automobile is a fad and horse breeding has a future. The Horticulture column contains observations on the fruit industry in the Lake Huron District, and methods of fruit culture in the western provinces. The Experimental column addresses the profitability of shipping tomatoes to Great Britain. Campus news highlights the freshmen initiation, opportunities in the college organizations, and faculty changes at the college. The Macdonald Institute column features the women's initiation, and athletic association officers. Alumni news is available in the Alumni column and features some of the alumni in British Columbia. The farmer in politics Dry land farming in the Orange River Colony The benefits of a National Association of Dairy Instructors The Passing of Summer Agriculture Canadian horse breeding Horticulture Orchard survey work What Ontario can learn from the West in fruit culture Experimental Experimental shipment of tomatoes to Great Britain Editorial Athletics College Life Alumni Some of our Old Boys in B. C. Macdonald The reopening of Macdonald Among Ourselves Much ado about nothing Schools' and Teachers' Department Locals advertising

This issue's articles include the value of bees and potential for a honey industry in Ontario, the game of chess, the value of milking machines to the farmer, the profitability of sheep, and experimental research with tobacco. The horticultural articles pertain to the fruit industry and address thinning fruit, and the need for co-operation amongst farmers. The poultry column has articles about breed types, and specializing in poultry production. Campus news reports the results of the oratorical contest, the Union Literary Society meeting, and the athletic results. The Macdonald Institute column addresses the need for physical education in Ontario schools and a report on the Valentine promenade. Alumni news is available in the Alumni column. Making money out of waste "Ye ancient gayme of chesse" Milking machines Agriculture Profitable demonstration work for the ex-student The White Canoe Experimental Experimental research with tobacco Hepaticas Horticulture Thinning fruit Why is co-operation not more successful among farmers Poultry Breed types Specializing Editorial College Life Good Speech Athletics Aquatics Alumni Some Old Boys Macdonald Physical education Among ourselves Much ado about nothing Schools' and Teachers' Department Locals advertising

This is a thematic issue devoted to the graduating classes of O. A. C. and Macdonald Institute. Articles include President Creelman's address to the students, a history of O. A. C. Class of 1910, biographical sketches and photographs of the Class of 1910, a history of the Macdonald Hall Class of 1910, and biographical sketches and photographs of the Macdonald Hall Class of 1910. Agricultural articles pertain to profitability of farming, studies in plant genetics at Ste. Annes, the value of an education in horticulture, and artificial poultry incubation techniques. Campus news highlights a brief review of the co-operative movement on the Prairies, the foundation of a college brass band, and rugby football. The graduate The Sea's Influence History of Class '10, O. A. College Biographical sketches of Class '10 Class "Noise" Class Yell History of Class '10, Macdonald Hall Biographical sketches of Class '10, Macdonald Hall Agriculture Counting the cost Agronomy Some studies in heredity at Ste. Annes Nature, the Benign Horticulture The horticulture option Poultry Egyptian and Chinese incubation Inspiration Editorial Organization the farmer's strength: a brief review of the Farmer's Movement in the West Not Understood Athletics Rugby football Evening Schools' and Teachers' Department locals advertising

This issue's articles address the problems of underdrainage of fields, the utilization of swampy soils, and factors influencing the price of Ontario fruit. Agricultural articles report on the Tenth International Livestock Exhibition in Chicago, the results of the livestock judging team at Chicago, the Ontario Provincial Winter Fair in Guelph, and good road construction. The Horticulture column outlines the value of education in vegetable growing, and the invasiveness of the Gypsy Moth and the Brown-Tail Moth. Campus news reports on the activities of theatre night, Union Literary Society, Y. M. C. A., Athletic Association, and the Ontario Agricultural and Experimental Union banquet. The Macdonald Institute column outlines the benefits of an education in domestic science at the college, and women's Literary Society activities. Alumni news is available in the Alumni column. Drainage survey work Confidence Character and treatment of swamp or muck soils Factors influencing prices of Ontario fruit Agriculture The Tenth Chicago International Our judging team The Winter Fair Good roads The Soul Behind Horticulture What Ontario offers the young man in horticulture Vegetable growing A problem of vital importance to Canada Editorial College Life Athletics Alumni Macdonald Benefits and advantages of Macdonald Institute courses Among Ourselves Much ado about nothing Schools' and Teachers' Department Locals advertising

This issue's articles pertain to the art of forging metal, the entomology of the Oyster-shell Scale, seed and livestock judging, and the conformation of horses. The Experimental Union articles are regarding the necessity of fumigating flourmills and warehouses, and selecting better corn seed. The Horticulture column addresses fruit farming in Norfolk County and the co-operation of the Norfolk Fruit Growers' Association. A new column on poultry contains articles on the need for poultry education, the Poultry Institute, as well as an article on the co-operation in marketing poultry. Campus news reports on the events of the annual Conversazione, the election of the new O. A. C. Review staff, faculty changes, the annual public speaking contest, and hockey events. The Macdonald Institute column compares O. A. C. and Macdonald Institute to Macdonald College in Quebec, and the success of the Union Literary Society's promenade and the annual Conversazione. Alumni news is available in the Alumni column. The forge Why the Hoar Frost Came The Oyster-shell Scale Agriculture Types of Horses Short Courses in live stock and seed judging Experimental The fumigation of flour Better corn and more of it Horticulture A lesson from Norfolk County Poultry Co-operation in marketing poultry and eggs The Poultry Institute Poultry education Editorial College Life Conversazione Athletics A summer on Montreal Alumni Macdonald Student life at Macdonald College Winter sports at Macdonald Hall Among ourselves Much ado about nothing Schools' and Teachers' Association Locals advertising

This expanded Christmas issue contains a brief history of the O. A. C., summaries of the current departments, and a Christmas greeting from Professor Reynolds. Articles contributed by faculty are: impressions of Oxford, art appreciation of sculpture, impressions of the Prairies and British Columbia, forestry in Southern Ontario, the making of vinegar, field crop experimental work, and Indian Corn in the American Southwest. Student articles pertain to road construction, and fruit growing in the Okanagan. The Macdonald Institute articles are regarding the opportunities of a college education, travels in China, the Halloween party, and a report on Y. W. C. A. activities. Alumni news is available in the Alumni column. The O. A. College - a brief history Christmas greeting Some impressions of student life at Oxford Sculpture An Easterner's impressions of the West Forestry in Southern Ontario The bacteriology of vinegar making Organized experimental work with field crops in Ontario Agriculture Good roads Horticulture Young man, stay East! Agronomy Breeding Indian Corn in the Southwest Editorial College Life Christmas time Nature's Sincerity Athletics Alumni Reminiscences of college days Macdonald Widen your jacket Christmas A visit to Chinatown Responsibility of opportunity Among Ourselves Much ado about nothing Schools' and Teachers' Association Locals advertising