“Libido” in the larger farm animals: A review

Wodzicka-Tomaszewska, Manika; Kilgour, R.; Ryan, Mary

doi:10.1016/0304-3762(81)90080-8

Cited by 36 publications

(10 citation statements)

References 99 publications

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“…In addition, a mating efficiency score (MES) was devised to measure the relative proportion of each bull's total sexual performance represented by E (services). Traditionally, M/E has been used as a measure of mating efficiency (Wodzicka-Tomaszewska et al, 1981). However, this formula only considers one component of the sexual behavior of the bull other than ejaculatory behavior, namely mounting.…”

Section: Subjectsmentioning

confidence: 99%

The Effects of Sexual Stimulation on the Sexual Performance of Hereford Bulls

Mader

Price

1984

Journal of Animal Science

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In the present study, 12 Hereford bulls approximately 22.5 mo of age were individually introduced to a restrained nonestrous stimulus female for 15 to 30 min under four treatment conditions: (1) without prior sexual stimulation and visually isolated from male conspecifics (control), (2) being watched by another male during matings, (3) after observing the copulatory activities of another male and (4) after being restrained in close proximity to a female. During sexual performance tests, an observer recorded the times at which the bulls exhibited ejaculations, mounts without ejaculation, mount attempts, mount intentions, head throws and Flehmen responses. The observer also recorded the percentage of time spent in proximity to the stimulus female and objectively rated the bulls for overall sexual performance and mating efficiency. Relative to the control treatment, the greatest improvement in sexual performance was noted when the bulls had observed the copulatory activities of conspecifics. Sexual performance was improved, albeit to a lesser degree, by being watched by another male and by restraint in the presence of the stimulus female. The advantages of sexual stimulation should be considered when breeding farm animals and when evaluating the sexual performance of males to be used in a breeding program.

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Section: Subjectsmentioning

confidence: 99%

The Effects of Sexual Stimulation on the Sexual Performance of Hereford Bulls

Mader

Price

1984

Journal of Animal Science

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“…Libido refers to the motivational component underlying sexual behavior (see reviews by Chenoweth, 1981;Wodzicka-Tomaszewska et al, 1981;Price, 1985). Libido can be quantified in male farm animals by measuring their motivation to seek out and(or1 remain in close proximity to potential mates (Price and Wallach, 1990) and the frequency with which they engage in precopulatory and copulatory behaviors with mating partners (Chenoweth et al, 1979).…”

Section: Introductionmentioning

confidence: 99%

Measures of libido and their relation to serving capacity in the ram1

Price

Erhard

Borgwardt

et al. 1992

Journal of Animal Science

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The purpose of this study was to determine whether the ejaculation rate (serving capacity) of sexually experienced rams could be estimated by selected measures of sexual libido when rams were exposed to estrous ewes under conditions that prevented copulations. Twenty-four crossbred rams selected for either high or low rates of copulation were exposed to two restrained estrous ewes under three treatment conditions that 1) permitted the full range of precopulatory and copulatory behaviors, 2) permitted precopulatory behaviors and mounting but precluded copulation, or 3) permitted precopulatory behaviors but not mounting or copulation. Frequencies of precopulatory behaviors (bouts of leg-kicking and anogenital sniffing) in each of the three treatment conditions and mounting frequency in Treatment 2 occurred in proportion to the ram's characteristic ejaculation rate (P < .001), suggesting that the mating potential of rams can be estimated under conditions that preclude copulation. Frequencies of precopulatory behaviors and mounting were lower when the rams were allowed to copulate, due largely to periods of sexual inactivity after ejaculations.

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“…A semen evaluation was performed on each male in order to determine their sperm genetic viability, as well as the semen count per milliliter. The semen was collected using the gloved-hand technique [6,34]. The semen standard parameters were evaluated macroscopically as well as microscopically.…”

Section: Swine Genetic Quality Determinationmentioning

confidence: 99%

Multiple mating and paternity determinations in domestic swine (Sus scrofa)

et al. 2006

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-When a sow copulates with different boars, fecundation can take a slant towards the best quality male, which should have a more competitive ejaculation. In polyandric animals, genitals can be more elaborated and be an indication of spermatic competence or cryptic female choice. In swine, the male and female genital morphologic characteristics are evidence that allow the assumption of spermatic competence and cryptic choice in this species. In order to prove this hypothesis, the paternity of a group of 18 York/Landrace (Y/N) sows was determined; these sows copulated with three boars: Yorkshire (Y/Y), York/Landrace (Y/N) and Landrace (N/N). The three boars had the same probability of copulating in the first, second, and third place with each of the sows in an interval of 12 hours between each mating. Four polymorphic molecular markers were used in order to establish the paternity (S0033, S0035, S0036 and S0037). The results indicate that the Y/N male had 85.59% of paternity, Y/Y male 8.8% and N/N 5.8%. According to the mating order, when the Y/N male copulated in the first place, it had 89.6% paternity (26 offspring; 12 males; 46.15% and 14 females, 53.85%) when it copulated in the second place, it had 100% paternity (8 offspring; 4 males, 50% and 4 females, 50%), and when it mated in the third place, it had 77.41% paternity (22 offspring; 13 males, 59.1% and 9 females, 40.9%). Sows in estrus participated in the removal of semen from four sows minutes after the copula by female-female mating. The multiple mating allowed certain competence among the ejaculation and the possibility of the female to slant the paternity towards the heterozygote male with higher genetic variability, compared to the homozygote male (Y/Y and N/N). accouplements multiples / choix cryptique de la femelle / microsatellites / porc

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“Libido” in the larger farm animals: A review

Cited by 36 publications

References 99 publications

The Effects of Sexual Stimulation on the Sexual Performance of Hereford Bulls

The Effects of Sexual Stimulation on the Sexual Performance of Hereford Bulls

Measures of libido and their relation to serving capacity in the ram1

Multiple mating and paternity determinations in domestic swine (Sus scrofa)

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