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An unusual nursing interaction between two adult Cape fur seals Arctocephalus pusillus pusillus
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SP Kirkman --- Animal Demography Unit, Department of Zoology, South AfricaGiven the high costs of lactation and the importance of milk for pup growth and survival in pinnipeds, nursing behaviour directed by a lactating female towards another adult is unexpected. Here, details were noted of a nursing interaction that occurred... -
Pregnancy- and lactation-associated osteoporosis
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: MR Davey --- Westville Hospital, JT De Villiers --- Department of Obstetrics and Gynaecology, Faculty of Health Sciences, S Lipschitz --- MRC/Wits Developmental Pathways for Health Research Unit Department of Paediatrics, Family of Health Sciences, JM Pettifor --- MRC/Wits Developmental Pathways for Health Research Unit Department of Paediatrics, Family of Health Sciences,Pregnancy-and lactation-associated osteoporosis is a rare syndrome of spontaneous fractures occurring in late pregnancy or lactation. Early diagnosis and management is essential, because of the severity of the morbidity associated with these fractures. Prior to therapy, other reversible causes of... -
Concurrent pregnancy and lactation in wild giraffes (Giraffa camelopardalis)
Item type: Journal Article • Journal: African Zoology • Authors: Francois Deacon --- Faculty of Natural and Agricultural Sciences, Department of Animal, Wildlife, and Grassland Sciences, South Africa Pierre J Nel --- Free State Department of Economic Development, Tourism, and Environmental Affairs, South Africa Fred B Bercovitch --- Primate Research Institute and Wildlife Research Center, JapanLactation boosts reproductive costs by depleting maternal condition and delaying subsequent conception. However, some evidence suggests that giraffes (Giraffa camelopardalis) have evolved a mechanism to minimise the time allocated to suckling-induced suppression of ovulation. Here, we show for the first... -
Prolonged nursing in Cape fur seals (Arctocephalus pusillus pusillus) at Cape Cross colony, Namibia
Item type: Journal Article • Journal: African Zoology • Authors: Anna N Osiecka --- , South Africa Jack Fearey --- , South Africa Simon Elwen --- , South Africa Tess Gridley --- , South AfricaExtended nursing periods have been observed in some pinniped species. Here, we document multiple cases of such prolonged nursing in Cape fur seals in Namibia. Over three separate visits to the Cape Cross breeding colony, we observed five unusual nursing...