A natural interomone 2-methyl-2-butenal stimulates feed intake and weight gain in weaned pigs

Autor: J.J. McGlone, G. Thompson, S. Devaraj
Jazyk: angličtina
Rok vydání: 2017
Předmět:
Zdroj: Animal, Vol 11, Iss 2, Pp 306-308 (2017)
Druh dokumentu: article
ISSN: 1751-7311
17517311
DOI: 10.1017/S1751731116001439
Popis: A novel approach to potentially improve pig growth and welfare is to supplement environments with biologically meaningful odors that are deficient. The post-weaning environment lacks maternal odors that may contribute to the often-observed post-weaning lag in growth and health challenges. A recently reported rabbit maternal pheromone (2-methyl-2-butenal (2M2B)) may act as an interomone in the pig. The objective of this study was to determine if providing a maternal pheromone/interomone during transport and the post-weaning environment may enhance pig performance. A total of 40 replicated pens were used in a factorial arrangement of two transport olfactory experiences (Control v. 2M2B), two nursery olfactory experiences (Control v. 2M2B) and two sexes (barrow v. gilt). Pig body weight, average daily gain (ADG), average daily feed intake (ADFI) and gain : feed ratio (G : F) were measured and calculated over a 28-day post-weaning period. Pig sex and application of 2M2B during transport had no effect on pig performance. However, pigs that had 2M2B applied to their feeder at weaning had 15% greater feed intake (0.74 v. 0.64±0.03 kg/day, P
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