小雌马

小雌马（Filly）是对于雌性幼马的称呼，以与成年的雌马区分。在大多数情况下，小雌马是四岁以下的雌性马；但在部分国家的赛马界中，例如英国和美国，小雌马的界定为五岁以下。[1][2] 雌性幼驹通常在二岁时性成熟，并拥有生育能力，但一般来说，她们在停止生长前（通常是四至五岁）不应生育。[3]

不同年龄的小雌马
A weanling filly
刚断奶的雌性温血马
A yearling filly
一岁的雌性阿拉伯马
A two year old filly
两岁的雌性纯种马
A three-year-old Arabian filly
三岁的雌性阿拉伯马

参考文献
  1. Hammond, Gerald. . London: Taylor & Francis. 2000: 79. ISBN 1-57958-276-1. OCLC 44923115.
  2. Privman, Jay. . Daily Racing Form (Breeders' Cup). October 24, 2008 [September 7, 2011]. （原始内容存档于2012-03-29）. It was the perfect end to a perfect day by a perfect filly. Zenyatta, the best older female horse in the country, completed a perfect season. . . by winning the $2 million Ladies' Classic on Friday at Santa Anita's Oak Tree meeting, the first of two days of the 25th Breeders' Cup championships. (Zenyatta was foaled in 2004, making her a 4-year-old at the time.)
  3. Ensminger, M. E. Horses and Horsemanship: Animal Agriculture Series. Sixth Edition. Interstate Publishers, 1990. ISBN 0-8134-2883-1 p. 149-150
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