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Polyisoprenylated benzophenones from Clusia floral resins
(Pergamon-elsevier Science LtdOxfordInglaterra, 2000)
Competitive males have higher quality sperm in a monogamous social bee
(BioMed Central, 2016)
Abstract
Background
Reproductive success is determined by the interplay between mating and fertilization success. In social insect species with male-biased sex ratios and ...
On the Production, Mating and Behavior of Males in Synoeca surinama (Vespidae: Polistinae: Epiponini)
(Univ Estadual Feira Santana, 2020-09-01)
In colonies of Neotropical swarm-founding wasps (Epiponini), males are thought to be produced only in periods when there are many queens present. Little information is available regarding male behavior in and out of the ...
Infertility of autoimmune origin in a stallion.
(1990-03-01)
Show me you care: female mate choice based on egg attendance rather than male or territorial traits
(Oxford Univ Press Inc, 2020-07-01)
Female mate choice is often based on male traits, including signals or behaviors, and/or the quality of a male's territory. In species with obligate paternal care, where care directly affects offspring survival, females ...
Exocrine glands of Schwarziana quadripunctata (Hymenoptera, Apinae, Meliponini)
(2001-12-01)
This article describes the location, anatomy, histology and ontogeny of adult Schwarziana quadripunctata exocrine glands. These glands appear either as individualized organs (salivary gland system and Dufour gland) or as ...
Does the male reproductive performance depend on the early lactation milk in rats?
(1996-01-01)
This study investigated the role of the early lactation milk (ELM) on the male reproductive performance and the participation of GnRH on this effect in Wistar rats. Newborn males were divided into three experimental groups: ...
Male Breast Cancer.
(2011)
Reproductive Biology and Sexual Dimorphism in Bokermannohyla alvarengai (Anura: Hylidae)
(2021-03-19)
The general pattern of sexual size dimorphism (SSD) in amphibians is characterized by females being larger than males. However, the reverse pattern, a male-biased SSD, may be widespread within some particular groups, as ...