Table 20. - -Monthly reproductive condition of female fur seals collected by U. S. research vessels in the Bering Sea i 

 Age in years 



Nulliparous 



Number --11 2 



Multiparous 

 Nonpregnant 

 Number -------- -l.....-l...__ 2 



Pregnant 

 Numbe r -----13113-1-2---21--- 15 -' 



Percent - - - - - 1 00 1 00 1 00 1 00 7 5 - 1 00 - 1 00 - - - 1 00 1 00 - - - 88. Z 



July 

 Nulliparoue 



Number --2647-----.-------,-- 19 



Primiparous 

 Nonpregnant 

 Number ----11-.----.---.-..-- 2 



Pregnant 

 Number ---15512 14 



Percent - - - 100 83.3 83.3 100 100 .--..---.....- 87.5 



Mulliparoua 

 Nonpregnant 



Number ----1.222--1..II--1.-- II 



Pregnant 



Number - - - - 4 4 10 1 2 I 1 1 12 8 7 14 4 4 3 1 - 1 - - 105 



Percent - - - - 80 100 83.3 65.7 84.6 100 100 88.9 100 100 80 80 100 100 - 100 - - 83.3 



Augu 



Nulliparous 

 Number 



Nulliparc 



Numb 



Multipart 



Primiparou* 

 Pregnant 

 Number ----531121132 



Percent - - - -100 100 100 100 100 100 100 100 100 



Mult tpa rout 



Nonpregnant 

 Number -----22-1231-242132--1 26- 



Pregnant 



Number 4 H 16 M 21 17 23 16 14 12 16 11 6 4 2 1 - 190 



Percent ..... 66.7 86.7100 93.3 91.3 85- 95.8-400 87.5 75 88.9 91.7 66.7 66.7100 100 - i 



September 

 Nulliparous 



Numbe r 16141272-11-------- 44 



Primtparoua 

 Pregnant 



Number ---161 32-- -,_,._ n 



Percent - .. lOO 100 100 100 100 ------------- - 1 



MultiparouB 

 Nonpregnant 



Number l-I-.l-. 1.1-1-- 6 



Pregnant 

 Number .... 



Percent .... 



311 5 



112---1 5 



100 100 100 - - - 100 100 



36 50 56 36 39 45 34 51 41 45 27 36 25 25 18 13 9 5 1 1 605 



U Pregnant claaa includes post partum females. 



2/ One seal of unknown age has been excluded from the total. 



3/ One seal of unknown age has been excluded from the total. 



4/ One seal of unknown reproductive condition excluded from the 1 1 - an^ It -year -ol J classes 



39 



