Effect of training ram hoggets on their adult sexual behaviour

Srivastava, Rashika; Mathur, A. K.; Kalra, D. B.

doi:10.1016/0168-1591(89)90024-5

Cited by 3 publications

(5 citation statements)

References 7 publications

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“…In agreement with our results, rams kept in unisexual group developed more homosexual interest than rams with heterosexual experience (Zenchak et al, 1981). Similarly, Srivastava et al (1989) reported that homosexual behavior in rams is the consequence of prolonged isolation from females and exclusive association with males. An alternative explanation is that as bucks may develop individual-specific sexual attachments formed with other males in male rearing groups (Price and Smith, 1984, 85), but the presence of females may have also affected cohesion strength in the RF bucks which were less adapted to respond to the great activity displayed by the RI bucks.…”

Section: Discussionsupporting

confidence: 94%

Does heterosexual experience matter for bucks' homosexual mating behavior?

Ungerfeld

Lacuesta

Damián

et al. 2013

Journal of Veterinary Behavior

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Section: Discussionsupporting

confidence: 94%

Does heterosexual experience matter for bucks' homosexual mating behavior?

Ungerfeld

Lacuesta

Damián

et al. 2013

Journal of Veterinary Behavior

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“…Therefore, considering that environmental disruptions can lead to an increase in inter-male mounts, this can also be a useful tool for studying factors which influence homosexual mating behavior (56) . los carneros es consecuencia del prologado aislamiento de las hembras y la exclusiva asociación con machos (14) . Por el contrario, se planteó que el ambiente social en que se desarrollan los corderos influye sobre el desempeño sexual, pero no sobre la preferencia sexual (53) .…”

Section: Environment Disruptionsunclassified

“…Además, es más frecuente en animales juveniles que en adultos, y en individuos domésticos y en cautiverio que en animales libres (11) . La homosexualidad en rumiantes machos puede estar asociada a muchos factores, tales como la dominancia social (12) , la edad (13) , o el ambiente social durante el desarrollo (14) , pudiendo también ser inducida por disturbios ambientales (11) .…”

Section: Introductionunclassified

“…In this sense, it was reported that rams isolated for long periods from females display increase the frequency of homosexual behavior (14) . On the other hand, other authors proposed that the social environment during rearing influences sexual performance but not sexual preferences (53) .…”

Section: Social Environment During Growthmentioning

confidence: 99%

“…Besides, homosexual behavior is more frequent in young individuals than in adults and in domesticated animals living in captivity than in those free in the wild (11) . Homosexuality in male ruminants can be associated to several factors, such as social dominance (12) , age (13) , the social environment during growth (14) , but it can also be induced by environmental disruptions (11) .…”

Section: Introductionmentioning

confidence: 99%

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Comportamiento homosexual en rumiantes machos. Revisión

Freitas‐de‐Melo

Lacuesta

Ungerfeld

2014

RMCP

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RESUMENEn varias especies de rumiantes, tanto domésticos como silvestres, se ha reportado la existencia del comportamiento homosexual entre los machos. El objetivo de esta revisión fue sintetizar la información disponible sobre las diferencias neuroendocrinas entre individuos homo y heterosexuales, y la relación entre la presencia del comportamiento homosexual y la concentración de esteroides sexuales. A su vez, se presenta información que vincula el comportamiento homosexual con la dominancia social, la edad, el ambiente social durante el desarrollo, y los disturbios ambientales. También se analiza como varía el comportamiento homosexual de acuerdo a la estacionalidad reproductiva. Además, se incluye información original sobre la estacionalidad del comportamiento homosexual en carneros domésticos, y de machos de cabra montesa, y su vínculo con la secreción de testosterona. Otro aspecto discutido es el "síndrome de buller" en novillos, individuos que son sistemáticamente montados por otros, y algunos de los factores asociados con la ocurrencia de este síndrome. En síntesis, el comportamiento homosexual en los rumiantes machos tiene un origen etiológico diverso, estando algunos aspectos aún poco estudiados, por lo que toda interpretación debe ser considerada con cautela, siendo por lo tanto un campo de estudio a profundizar. PALABRAS CLAVE: Comportamiento sexual, Núcleo sexual dimórfico, Orientación sexual, Síndrome de buller, Testosterona, Ungulados. ABSTRACTIn several male ruminants, including both, domestic and wild species, it has been reported the presence of homosexual behaviour between males. The aim of this review was to summarize the information about neuroendocrinological differences between homo and heterosexual individuals, and the relationship between homosexual behaviour and sexual steroid concentration. Moreover, we present information that link homosexual behavior with social dominance, age, social environment during the developmental period, and environment disturbances. Therefore, we include information about other physiologic aspects, such as reproductive seasonality, including unpublished information about seasonal changes in domestic rams and captive male Iberian ibex, and the relationship between seasonal changes in testosterone and behaviour. Other topic discussed is the "buller syndrome", which is commonly observed in steers, in which is observed that some males are repeatedly mounted by others males. In brief, homosexual behaviour in male ruminants is multietiologic, and some aspects are understudied, so the interpretation may be cautiously considered before deep studies are developed.

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