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Table 1 Summary of the effects of male pheromone on somatic and follicular growth in juvenile opossums. Different superscripts indicate age-related differences in unexposed females. Asterisks indicate differences between exposed and unexposed females within an age group (P < 0.05).

From: Male pheromone stimulates ovarian follicular development and body growth in juvenile female opossums (Monodelphis domestica)

Treatment: and Age n Body Length (cm) Body Mass (g) Growth Rate (g/week) Number of Follicles Follicle Diameter (μm)
Unexposed: 90 days 4 19.6 ± 0.2 a 45.3 ± 2.7 a   1.5 ± 2.8 a 354 ± 46 ab
Unexposed: 105 days 4 20.4 ± 0.5 a 46.4 ± 1.3 a 2.2 ± 0.5 a 10.8 ± 1.7 b 353 ± 12 a
Exposed: 105 days 5 21.2 ± 0.2 52.3 ± 2.1 * 4.3 ± 0.7 * 13.2 ± 2.0 388 ± 7 *
Unexposed: 130 days 5 21.8 ± 0.1 b 56.6 ± 1.1 b 1.8 ± 0.3 a 17.2 ± 2.6 b 393 ± 4 b
Exposed: 130 days 5 # 21.9 ± 0.1 63.5 ± 1.1 * 3.8 ± 0.1 * 17.8 ± 5.2 534 ± 54 *
Unexposed: 150 days 5 21.9 ± 0.4 b 58.2 ± 5.6 ab 1.3 ± 0.4 a 14.4 ± 1.8 b 394 ± 6 b
  1. ‡ 6 follicles in one of four females. # Ovarian histology available for four of five females.