Meal based pig production - Canterbury survey 1967-1969
By: [by] O. T. Kingma [and] O. P. Ryan.
Contributors: Ryan, O. P., joint author.
Series: Farm management studies,; 2
Publisher: Dept. of Farm Management and Rural Valuation
Published: 1970
Place of publication: [Lincoln College
Language: eng
Number of pages: 69
Subjects: Swine -- New Zealand.