IGF-I Medium Supplementation Improves Singly Cultured Cat Oocyte Maturation and Embryo Development In Vitro.

Embryo production is a routine procedure in several species. However, in felids, the effectiveness of this approach is far behind that in the majority of laboratory species. The development of a suitable environment starts with the proper composition of culture media.

Sex-specific effects of leptin administration to pregnant mice on the placentae and the metabolic phenotypes of offspring.

Obesity during pregnancy has been shown to increase the risk of metabolic diseases in the offspring. However, the factors within the maternal milieu which affect offspring phenotypes and the underlying mechanisms remain unknown. The adipocyte hormone leptin plays a key role in regulating energy homeostasis and is known to participate in sex-specific developmental programming.

Sperm cryopreservation in the Far-Eastern wildcat (Prionailurus bengalensis euptilurus).

The Far-Eastern wildcat (Prionailurus bengalensis euptilurus) is a rare and poorly investigated nondomestic felid species. An attempt of freezing and cryopreserving Far-Eastern wildcat spermatozoa in CaniPlus Freeze (CPF) medium is reported. Sperm was collected by electroejaculation from five adult Far-Eastern wildcat captive-born males.

Characteristics and fertility of domestic cat epididymal spermatozoa cryopreserved with two different freezing media.

The study represents a comparison of cryopreservation of domestic cat epididymal spermatozoa with two commercially available freezing media: CaniPlus Freeze (CPF) and SpermFreeze (SF). The viability of nonfrozen spermatozoa evaluated by the VitalScreen test was 68.7 ± 3.