期刊
CIENCIA E AGROTECNOLOGIA
卷 32, 期 1, 页码 275-280出版社
UNIV FEDERAL LAVRAS-UFLA
DOI: 10.1590/S1413-70542008000100039
关键词
index of tolerance to the heat; thermal comfort; heat stress
One aimed with this work to determine the superficial temperature and the index of tolerance to the heat of goats (F1) resultants of crossings among these breed, Boer, Savanna, Kalahari, Anglo Nubiana and Moxoto, with goat in no definite breed of the northeast area. Thirty goats were used, with medium age of six months and medium weight of 25,17kg being six of each genetic group: 1/2Boer + 1/2SRD (BS), 1/2Anglo-Nubiana + 1/2SRD (ANS), 1/2Savana + 1/2SRD (SS), 1/2Kalarari + 1/2SRD (KS) and 1/2Moxoto +1/2SRD (BAD), maintained in confinement regime. The studied parameters were the superficial temperature and the index of tolerance to the heat (ITC). One verified that the genetic groups presented significant difference for the superficial temperature, though ITC went similar for all. So, the use of these genetic groups to increase the goats productivity in the semi-arid can be advised.
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