...When the feeding has not beenaltered or restricted, a steady diminution of the salts of lime excreted in theurine is an attendant on pregnancy, the lime being demanded for the growingbody of the fetus...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Presently there are felt distinct and characteristicmovements of the fetus, which has been disturbed and roused to action...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The unimpregnated womb may be filled with a dropsical fluid, but thepregnant womb is more liable to become overdistended by an excess of fluid inthe inner water bag in which the fetus floats...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...In some such cases thenourishment is so deficient that the fetus dies in the womb and is expelled inconsequence...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...), which interfere with the supplyof blood to the fetus or change its quality so that death is the naturalresult, followed by abortion...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The natural curvature of both fetus and passages is thusfollowed and the extraction rendered easier...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...This is usually the result of the death and decomposition of the fetus whenextraction has been delayed for a day or more after the escape of the waters...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...In neglected cases, with death and putrefaction of the fetus and dryness ofthe passages, it may be necessary to extract in pieces...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The head, too, may usually be felt on the right side or the left,and if detected it serves to identify the exact position of the fetus...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...In many cases the extreme resort must be had of cutting the fetus to pieces(embryotomy), or the still more redoubtable one of Cæsarean section (extractionthrough the flank)...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...In theuterus the fetus is surrounded by several membranes which are known as theamnion or inner layer, the allantois or central layer, and the chorion or outerlayer...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The amnion is nearest the fetus and forms a closed sac around it filledwith a fluid known as liquor amnii, in which the fetus floats...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...This is the most favorableposition of the calf or fetus in the womb at birth, and the position in whichit is most frequently found...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The fetus is on its side with limbscrossing and presenting...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The forceps have bent andtoothed jaws, which are intended to take hold of the fetus where neither cordsnor hooks can be applied, as the ear, nose, or skin of cheek...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Embryotome, an instrument used when it is necessary to reduce thesize of the fetus by cutting away certain parts before birth can be effected...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...If it happens while the calf is still in the womb, it will usually bleedfreely and continuously until the fetus has been extracted, so that the wombcan contract on itself and expel its excess of blood...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...In estimating the causes of the disease we mustnot omit debility of the calf when the mother has been underfed or badly housedor when either she or the fetus has been diseased...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
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