Alternative methods for control of reproduction in small ruminants: A focus on the needs of grazing industries

JA Delgadillo, GB Martin - Animal Frontiers, 2015 - academic.oup.com
Extensive grazing systems need simple, low-cost tools for managing reproduction that
improve productivity while nurturing future markets. To develop such tools, we need to …

[HTML][HTML] Frontiers in sheep reproduction-making use of natural responses to environmental challenges to manage productivity

GB Martin - Animal Reproduction, 2022 - SciELO Brasil
This review addresses advances, directions and opportunities for research on sheep
reproduction in the context of the global challenges of food security and climate change, and …

Organic breeding in Sarda ewes: Utilization of the ram effect in an artificial insemination program

I Mayorga, R Mourad, L Mara, M Gallus, Z Ulutaş… - Small Ruminant …, 2019 - Elsevier
The current study assesses the ram effect as an alternative to conventional hormonal
treatment for estrus synchronization prior to artificial insemination. Two groups of 50 …

Reproductive performance of postpartum ewes treated with insulin or progesterone hormones in association with ram effect

JC Ferreira‐Silva, SRL Basto… - … in Domestic Animals, 2017 - Wiley Online Library
Contents The reproductive performance of postpartum Santa Inês (SI) and Morada Nova
(MN) ewes treated with insulin or progesterone hormones in association with ram effect was …

[HTML][HTML] Interactions between nutrition and the “ram effect” in the control of ovarian function in the Merino ewe

PC Khaiseb, PAR Hawken, GB Martin - Animals, 2022 - mdpi.com
Simple Summary Clean, green, and ethical management of sheep flocks involves the use of
socio-sexual stimuli (the “ram effect”) to coordinate nutritional inputs into reproductive …

Characterization of oestrus cycles in Namibian Swakara and Damara sheep through determination of circannual plasma progesterone levels

E Kandiwa, B Mushonga, O Madzingira… - Journal of veterinary …, 2019 - Wiley Online Library
A year‐long prospective study characterized the seasonality of oestrus cycles in
primiparous, nonpregnant Swakara (n= 8) and Damara (n= 5) ewes through surveillance of …

Exposure of sexually inactive males to estrogenized females increased the investigative and consummatory sexual behavior

JM Guillén-Muñoz, CA Meza-Herrera… - Animal reproduction …, 2016 - Elsevier
Two trials were conducted to evaluate the effect of diverse socio-sexual cues upon male
sexual behavior and the reproductive performance of anestrous does (AD). Trials were …

[PDF][PDF] Ram effect on estrus behavior, ovarian structure and steroid hormone levels in Ossimi ewes treated with prostaglandin F2α for estrus synchronization

GB Mahmoud, HA Hussein - Egyptian Journal of Animal …, 2019 - ejap.journals.ekb.eg
The objective of this study was to assess presence of ram with prostaglandin F2α (PGF2α)
on estrus behavior, patterns of follicular growth and steroid hormone production of Ossimi …

Follicular size, luteinizing hormone (LH), and progesterone (P4) levels in postpartum Santa Inês ewes subjected to ram effect combined with suckling interruption

JC Ferreira-Silva, F Tenório Filho, MT Moura… - Livestock Science, 2018 - Elsevier
The objective was to evaluate the role of ram effect combined with temporary weaning on
P4, LH, follicular size and reproductive performance of hair ewes during postpartum …

Semiochemicals: pheromones, signature mixtures and behaviour.

TD Wyatt - Olfaction in animal behaviour and welfare, 2017 - cabidigitallibrary.org
3 Semiochemicals: Pheromones, Signature Mixtures and Behaviour Page 1 26 © CAB
International 2017. Olfaction in Animal Behaviour and Welfare (ed. BL Nielsen) Since prehistoric …