Changes in Sexual Behaviour and Semen Quality Associated with Age and Type of Enclosure of Saint Croix Rams in Different Seasons of the Year

The objective of this study was to evaluate sexual behaviour and semen quality of St. Croix ram lambs bred in a semi-desert region. In Experiment 1, 24 yearling rams were assigned to two groups: T1 with 12 males confined for 11 months; T2 with 12 males confined individually for the same period of ti...

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Veröffentlicht in:	Italian journal of animal science 2015-01, Vol.14 (4), p.3890-ijas.2015.3890
Hauptverfasser:	Santos, Sandra Ivon, Sánchez-Dávila, Fernando, Vázquez-Armijo, José Fernando, Ledezma-Torres, Rogelio Alejandro, del Bosque-González, Alejandro Sergio, Palomera, Carlos Luna, Bernal-Barragán, Hugo
Format:	Artikel
Sprache:	eng
Schlagworte:	Ejaculation Experiments Health risk assessment Lambs Males Quality Rams Season of the year Semen Semen quality Sexual behavior Sexual behaviour
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Beschreibung
Zusammenfassung:	The objective of this study was to evaluate sexual behaviour and semen quality of St. Croix ram lambs bred in a semi-desert region. In Experiment 1, 24 yearling rams were assigned to two groups: T1 with 12 males confined for 11 months; T2 with 12 males confined individually for the same period of time. In Experiment 2, 20 four-month-old ram lambs were assigned to two groups of 10 animals each. In each experiment, sexual behaviour and semen quality were evaluated every 2 weeks over 11 months. In Experiment 1, rams that were individually confined showed better sexual activity than lambs confined together (P
ISSN:	1828-051X 1594-4077 1828-051X
DOI:	10.4081/ijas.2015.3890