Prenatal and postnatal mortality in cattle :  a report of the Subcommittee on prenatal and postnatal mortality in bovines, Committee on animal health, National research council. 

 - Washington, D.C. :  National Academy of Sciences,  1968. 
 - 130 p. 
 - National Academy of Sciences, Washington, D.C. Publication ;  1685 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calves--Diseases.<br/>Cattle--Breeding