00820nam a2200193Ia 4500001000700000003000500007005001700012008004100029100004900070245010800119260009800227300004000325500014500365500001900510504002900529650001800558650002700576651002300603131596BIBL20200320104551.0931011s1966||||pr a   ||||||||||1||spa|d20aGaztambide Arrillaga, Carlos Ramón,2Local10aEffects of environmental temperature and relative humidity on the acclimation of cattle in the tropics.  aMayagüez, P.R.bCollege of Agriculture and Mechanic Arts, University of Puerto Ricoc[1966]  a48 [15] p.billus., photos, tables.  a"Submitted, as thesis, to the Pennsylvania State University for the degree of Doctor of Philosophy, specialized in Animal Industries, 1950".  aVita : p. [4].  aBibliography : p. 43-48. 0aCattle2Local 0aAcclimatization2Local 0aPuerto Rico2Local