Studies in milk secretion
Subtitle: The effect of age on the milk yields and butter-fat percentages of Guernsey advanced registry cattle
By: [by John W. Gowen]
Series: Bulletin / Maine Agricultural Experiment Station --       311
Publisher: Maine Agricultural Experiment Station
Published: 1923
Place of publication: Orono
Language: eng
Number of pages: 20
Subjects: Guernsey cattle; Dairy cattle; Milk yield; Age
Other titles: Effect of age on the milk yields and butter-fat percentage of Guernsey advanced registry cattle.