Social dominance affects the development of sexual behaviour but not semen output in yearling bucks

Sánchez-Dávila, Fernando; Barragán, Hugo Bernal; Bosque-González, Alejandro Sergio del; Ungerfeld, Rodolfo

doi:10.1016/j.theriogenology.2018.01.004

Cited by 8 publications

(5 citation statements)

References 21 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Consistently with this, the European Consulate (European Union, 1988) recommends not introducing bulls to previously established groups, since the mixture of animals leads to an increase in aggressiveness during the process in which a new hierarchy is established (Bouissou et al, 2001). In the same sense, in goats, it has been shown that mixing bucks provokes a marked increase in the number of aggressive (Sánchez-Dávila et al, 2018) and sexual interactions (Ungerfeld et al, 2013) in the group. This is also accompanied by increases in cortisol concentration (Giriboni et al, 2015;Sánchez-Dávila et al, 2018), and negatively affects testosterone production, testicular size, and seminal quality for at least 20 days (Giriboni et al, 2015).…”

Section: Discussionmentioning

confidence: 84%

“…In the same sense, in goats, it has been shown that mixing bucks provokes a marked increase in the number of aggressive (Sánchez-Dávila et al, 2018) and sexual interactions (Ungerfeld et al, 2013) in the group. This is also accompanied by increases in cortisol concentration (Giriboni et al, 2015;Sánchez-Dávila et al, 2018), and negatively affects testosterone production, testicular size, and seminal quality for at least 20 days (Giriboni et al, 2015). Although in this survey the seminal quality was not evaluated, some breeders mentioned the negative effect of mounting between bulls on it, as well as on libido, affecting directly even in marketing (return of bulls).…”

Section: Discussionmentioning

confidence: 84%

See 1 more Smart Citation

Bull-bull mounts in Holstein bulls: a survey of its incidence, possible causes, and consequences in Uruguayan bull’ breeders

Fajardo

Ungerfeld

2021

Anim. Reprod.

Self Cite

View full text Add to dashboard Cite

Bulls frequently display male-male mounts, with consequences in the incidence of injuries, and possibly affecting the reproductive performance of the bulls. This behavior is known as the "buller syndrome" when appears in steers, with several individuals mounting one or a few penmates. The study aimed to collect information on the incidence of bull-bull mounts, the possible associated factors, the productive consequences, and management applied by distributing a survey to Holstein bull breeders in Uruguay. A survey was applied and responded by most Holstein breeders in Uruguay (30/33). Nineteen of the 30 breeders observed mounting behavior among bulls, and 15 of them considered it as a relevant problem. The breeders that observed the behavior had a greater number of bulls than those that did not observe it (P = 0.002). All of them observed that mounts were persistently directed towards the same individual (considering a specific period, while it remained in the group). Of these, 11 (58%) considered that this stopped only when the "buller" bull was removed from the group, mentioning that the behavior was frequently redirected to another individual. The mounts between bulls are a major problem in the breeding of Holstein bulls, with important consequences on weight gain and animal health, reproductive problems such as low libido and seminal quality, and even provoking the death of animals. Although not all breeders reported the existence of the problem, those with the bigger herds did. While some management and/or environmental conditions seem to influence (higher density, regrouping, managements that involve movement of animals, and spring) the incidence of bull-bull mounts, there are no standardized managements to avoid this behavior. Considering that most breeders were interested in including practices to minimize this problem if available, it would be essential to understand better the causes and predisposing factors to decrease its negative impacts.

show abstract

Section: Discussionmentioning

confidence: 84%

Section: Discussionmentioning

confidence: 84%

Bull-bull mounts in Holstein bulls: a survey of its incidence, possible causes, and consequences in Uruguayan bull’ breeders

Fajardo

Ungerfeld

2021

Anim. Reprod.

Self Cite

View full text Add to dashboard Cite

show abstract

“…Previous studies have evaluated the social hierarchy in rams raised in pairs, identifying that the dominant males exhibit a greater sexual precocity and a greater reproductive capacity compared to the subordinate males. A negative influence on testosterone production has also been reported, due to the stress of the grouping of bucks [34][35][36].…”

Section: Male Social Hierarchy and Its Impact On Reproductionmentioning

confidence: 99%

“…Among the activities carried out mainly by the dominant male, the increase in vocalizations, head movements, tapping, lunges and displacement and protection Reproduction in Small Ruminants (Goats) DOI: http://dx.doi.org /10.5772/intechopen.93481 of the female in heat (tending) from other males stands out [42], thus reaching inhibit the sexual behavior of subordinate males [36].…”

Section: Social Factors and Sexual Behavior In Malesmentioning

confidence: 99%

“…According to Mainguy et al [41], the establishment of the dominance position is accentuated with the secondary sexual characteristics, which is also related to the age and body weight of the animal [50], helping to strengthen the male's hierarchical position and social structure within the herd. As they reach sexual maturity, the frequency of mounting with ejaculate, the performance of riding and the production of semen in dominant bucks compared to subordinate's increases [36].…”

Section: Social Factors and Sexual Behavior In Malesmentioning

confidence: 99%

See 1 more Smart Citation

Reproduction in Small Ruminants (Goats)

Sánchez-Dávila¹,

Muñoz²

2021

Animal Reproduction in Veterinary Medicine

View full text Add to dashboard Cite

The exploitation of small ruminants (goat and sheep) has always been linked to the development of human civilizations, where they have mainly fed on their derived products such as milk and meat. Currently, the sheep population is around 1 billion head concentrated above 50% in three countries, China, Australia, and New Zealand, contrary to goats with around 720 million heads, distributed mainly in Asia, Africa, and South America. Both species have similar characteristics in some anatomical aspects (a pair of nipples), gestation period (150 days), and presence of seasonal anestrus, differing in terms of magnitude and depth and presence of the male effect. However, they are completely different in feeding habits, nutrient needs, and grazing systems, with differences in terms of the female’s reproductive tract, among other characteristics. Currently, the study of reproduction has intensified over the years in the goats and its counterpart that is the buck. Therefore, in the following topics, the importance of global reproduction of the goat will be discussed, considering that progress has been made today in the application of third generation reproductive techniques and that today they are already consolidated and developed in the bovine species.

show abstract

Maintenance of permanent sexual activity throughout the year in seasonal bucks using short photoperiodic cycles in open barns

Delgadillo,

Espinoza-Flores,

López-Magaña

et al. 2024

animal

View full text Add to dashboard Cite

Social dominance affects the development of sexual behaviour but not semen output in yearling bucks

Cited by 8 publications

References 21 publications

Bull-bull mounts in Holstein bulls: a survey of its incidence, possible causes, and consequences in Uruguayan bull’ breeders

Bull-bull mounts in Holstein bulls: a survey of its incidence, possible causes, and consequences in Uruguayan bull’ breeders

Reproduction in Small Ruminants (Goats)

Maintenance of permanent sexual activity throughout the year in seasonal bucks using short photoperiodic cycles in open barns

Contact Info

Product

Resources

About