File:Breeding of farm animals (1914) (20385981226).jpg

Title: Breeding of farm animals
Identifier: breedingoffarman00harp (find matches)
Year: 1914 (1910s)
Authors: Harper, Merritt Wesley, 1877-
Subjects: Livestock
Publisher: New York, Orange Judd
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
286 BREEDING OF FARM ANIMALS likely to do if not restrained or confined with Its dam. The piggery should be provided with a fender made of a scantling securely fastened, say 8 inches from the floor and the same distance from the walls. The young pigs soon learn to take advantage of the protection furnished by this device, thus avoiding much of the danger of being crushed by the mother when she lies down. Normal parturition.—As the labor pains come on, the neck of the uterus largely disappears and the os gradu- ally dilates. The water bag passes into the opening, portions of the fetus soon advance into the vagina, and definite labor pains quickly become established. The pain and suffering depend largely upon the class of animals, being severe in the mare and cow, but much less aggravating in the sow. The water bag aids ma- terially in the expulsion of the fetus. It brings equal pressure to bear in dilation of the passages, which not
Text Appearing After Image:
Fig. 94—Normal Presentation of Young at Parturition— 2 Os uteri, 3 Vagina, 4 Bladder, 5 Urethra, 6 Floor of pelvis, 7 The young or fetus M normal position before birth. (Made up from Pilz's Anatomical Manikin of the Horse)

Note About Images