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Influencia de la harina de alfalfa en el rendimiento reproductivo de cerdas Landrace
(Universidad de Córdoba, Servicio de Publicaciones, 1981)
Twenty sows of Landrace breed are studied on the first and second parturitions. These sows were fed with two different rations: A, with an additional 20 p.100 of cereals, and B, with 30 p.100 of alfalfa meal containing a ...
Eficacia reproductiva de verracos Criollos Cubanos en el cruzamiento con hembras Duroc x Hapshire
(Universidad de Córdoba, Servicio de Publicaciones, 1998)
We describe in this paper the reproductive performance of Cuban Creole x (Duroc x Hampshire) cross-breed pigs. This cross-breeding system is presently under investigation for the reproductive improvement of mountain areas. ...
Factores que afectan a la edad al primer parto en el ganado vacuno de raza retinta
(Universidad de Córdoba, Servicio de Publicaciones, 1995)
It is posible to get an increase of reproductive efficiency by decreasing age at first calving. In this study we show the influence of some enviromental factors that affect this parameter in Retinto cattle. 1786 first ...
Factores que afectan a los parámetros reproductivos en el ganado vacuno de la raza retinta: duración de la gestación
(Universidad de Córdoba, Servicio de Publicaciones, 1995)
This work studies the influence of some factors affecting the gestation lenght in Retinto beef cattle. The average duration of the gestation was estimated in 287.97 days, with an standard error of 0.24, and a variation ...
Modificaciones en las células de Sertoli, en ratas Wistar tratadas con estradiol y acetato de trenbolona
(Universidad de Córdoba, Servicio de Publicaciones, 1985)
In the present work, the effects of implants of estradiol and tren¬bolone acetate in Sertoli cells of Wistar male rats was studied. The alterations depended on action time of implants, showing large lipid droplets and ...
Efecto del medio de cultivo y la suplementación proteica en la maduración in vitro de ovocitos bovinos
(Universidad de Córdoba, Servicio de Publicaciones, 1997)
In the present work, the effects of oocyte maturation medium and protein supplementation on in vitro maturation process of immature bovine oocytes are described. Three different culture media, such as: TCM-199 medium, DME ...
Efecto del método de selección de esperma congelado de bovino sobre los índices de fecundación y división in vitro
(Universidad de Córdoba, Servicio de Publicaciones, 1997)
In the present work, the effect of two selection methods of bovine frozen sperm on in vitro fertilization and cleavage rates of in vitro matured and fertilized bovine oocytes was evaluated. Two usual sperm selection systems ...
Terapia hormonal de GnRH y PGF2a en el puerperio del ganado vacuno de leche. I. Acción en el acortamiento del ciclo reproductivo
(Universidad de Córdoba, Servicio de Publicaciones, 1992)
Gonadotrophin releasing hormone (GnRH) analogue in combination with prostaglandin F2 alpha (PGF2a) was adiministered to VT in order to determine if it hastened the recovery of ovarian activity and uterine involution during ...
Sincronización y superovulación en ganado vacuno bravo
(Universidad de Córdoba, Servicio de Publicaciones, 1986)
In 7 different groups pertaining to 4 farms, we followed 4 synchronization and poliovulation protocols ánalyzing the obtained results.. We used cows of different ages as donors and as recipient 2 year old animals, previously ...
Factores que influyen en la duración de la gestación de la coneja
(Universidad de Córdoba, Servicio de Publicaciones, 1985)
This is a statistical stydy of the factors which contribute to the length of the gestation of the rabbit, based on a hierarchical scheme and it"s deeped to a level of pedigree on those variates which declared a significant ...