Guide for controlling external parasites of livestock and poultry in Texas - 1955  / 
Agricultural Extension Service 
 - College Station, Texas  :   Agricultural Extension Service 
 - 1 h. desplegable 
 - Texas. Agr. Ext. Service, L; 256 .
<br/><br/><label>LCCN: </label>202882 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ganado -- Parásitos