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Articles | Volume 68, issue 1
Articles | Volume 68, issue 1
https://doi.org/10.5194/aab-68-151-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/aab-68-151-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 68, issue 1
Original study
 | 
19 Feb 2025
Original study |  | 19 Feb 2025

Effect of social rank in hair rams on the number of lambs sired and their postnatal development

Estela Garza-Brenner, Fernando Sánchez-Dávila, Javier Hernández-Melendez, Keyla Mauleon-Tolentino, Rogelio Alejandro Ledezma-Torres, Marisol González-Delgado, Carlos Luna-Palomera, Cecilia C. Zapata-Campos, and José Fernando Vazquez-Armijo

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Short summary
The aim of this study was to test the effect of social rank in hair rams on paternity and the postnatal development of lambs born in a semi-desert environment in northeastern Mexico. In this study, the dominant rams sired a higher percentage of lambs than the subordinate rams. The subordinate rams develop opportunistic strategies, allowing them to sire up to 32 % of lambs depending on their mating ability. Lambs sired by dominant rams had higher birth weights. 
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