Bibliographic Details
| Title: |
Conception rates in farm mink (Neovison vison) in relation to first mating date, age and color variety. |
| Authors: |
Felska‐Błaszczyk, Lidia1, Lasota, Bogdan2, Seremak, Beata2 |
| Source: |
Animal Science Journal. Jul2016, Vol. 87 Issue 7, p873-877. 5p. |
| Subject Terms: |
*MINKS, *MINK farming, *CONCEPTION, *AGE of mammals, *MAMMAL breeding, *REPRODUCTION |
| Abstract: |
The aim of the study was to analyze the effects of the first mating date, age and color variety on the conception rates in farm mink. We analyzed female mink reproductive performance in 492 Sapphire and 463 Standard Black females over 3 or 4 years. The analysis included the number of inefficientmatings, the interval between the first inefficientmating and the efficientmating (copulation) and the conception rates. The results show a significant effect of female's age and color variety on the conception rates. The youngest, yearling females of either color needed a higher number of matings per conception, as compared to older, 2- and 3-year-old females. Black females demonstrated a higher number of inefficient matings (1.066), as compared with Sapphires (0.730). Yearling females were most often mated from 1 to 10 March, and older females from 11 to 20 March. Older females achieved better conception rates than the yearlings. Dates between 11 and 25 March proved to be the optimum for the first mating, since the highest conception rates were observed if the females had mated during this period. [ABSTRACT FROM AUTHOR] |
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