Volume 17 Issue 4
Jul.  1996
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FENG Qing, WANG Ying-xiang, LI Chong-yun. Postnatal Growth and Development in The Intermediate Slow Loris (Nycticebus intermedius) in Captivity. Zoological Research, 1996, 17(4): 443-450.
Citation: FENG Qing, WANG Ying-xiang, LI Chong-yun. Postnatal Growth and Development in The Intermediate Slow Loris (Nycticebus intermedius) in Captivity. Zoological Research, 1996, 17(4): 443-450.

Postnatal Growth and Development in The Intermediate Slow Loris (Nycticebus intermedius) in Captivity

  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 1996-11-22
  • Postnatal growth and development of 41 Nycticebus intermedius infants (24 males,15 females),which were born and reared by their mothers in captivity,were measured and observed.This paper presented the results.1.The growth equation of body weight was Y=19.8322e[0.2900t] from 1 to 73 days old,while it was Y=98.7593+1.0358t[2] from 73 to 98 days old.Rowth equation of body length was Y=71.1963e[0.1084t] from 1 to 73 days old,while it was Y=96.4987e[0.0669t] from 73 to 98 days old.Growth equation of forelimb was Y=31.8504e[0.1903t] from 1 to 36 days old,while it was Y=5.5881+105.4733lnt from 36 to 98 days old.Growth equation of hindlimb was Y=41.3057e[0.1550t] from 1 to 53 days old,while it was Y=14.32+109.0626lnt from 53 to 98 days old.The time unit was 10 days.2.The hair color gradually became darker when infants got older.The skin of face (including ears,eye-rings,noses),hands and feet changed in color also when the infants got older.Hey are pink in infants and black in adults.3.The deciduous dentition (including dentes insivi,dentes canini,dentes premolares) erupted at birth and completed development by 15 days old.The permanent dentition initiated eruption during 90-97 days old and was fully eruption by 170-200 days old.4.Nycticebus intermedius became sexual mature at the age of 600-720 days.
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