VIe CONG. INTERN. REPROD. ANIM. INSEM. ARTIF.,, PARIS, 1968, VOL. I

Influence of gestation length and date
of mating on mink fertility

|
Gestation Date of last mating (March) ertility of fe-

length males having
(days ) different gestatio

length
6,0 0,2 |5,6t0,2 -
5,95 0,3 5,11 0,2[4,2¢ 0,4
6. 425072 L €1%0:215,650,3 -
6,2t 0,2 15,950,2|5,11 0,2 |5,1%0,4] 5,6% 0,1

7,0t 0,4 | 6,4 0,116,227 0,1 = 6,34 0,1
- 6,47 0,2] 6,0t 0,2 | 5,4%0,4] 6,0% 0,2

54502
6450368 0=3

I
i

o
I

%,
6,1t0,1

5,4¥ 0,1 | 5,4%0, 3| Total g¢ - 420

 

NOTE: Upper line - data for standard females
Lower line - data for sapphire (ppaa) females

BIBLIO GRAPHY

1L.JOHANSSON, |, (1956). Dtsch. Pelztierz., N 4,
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(Russian).
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45-58.
8BELYAEV, D.K., EVSIKOV, V.I. (1962). Proc. (Dokladi) Acad. Sci.
USSR, 146(6): 1414-1417.

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