Reproduccion

PROGRAMAS DE SINCRONIZACIÓN ESTRAL

M.V.Z. JORGE CARRANZA

EL CICLO ESTRAL
PGF2α α FSH Ovulación
Concentración Hormonal

E2 LH

Ovulación

Dominancia

Atresia Seleción Progesterona CLReclutamiento

Endometrio 5 10

PGF2α α 15 Estro

Estro

FASE LUTEÍNICA
CUERPO LÚTEO ACTIVO

P4

NIVELES ALTOS DE PROGESTERONA

Sincronización de celos
Hormonas
1)Prostaglandina F2a (2) Progesterona (3) Estrógenos (4) GnRH

PROGESTAGENOS IMPLANTE AURICULAR

CRESTAR: PROTOCOLO BÁSICO
CRESTAR
(PABELLÓN AURICULAR)

RETIRO

• Implante CRESTAR • 9 ó 10 días

48hrs
INSEMINACIÓN ARTIFICIAL

INYECCIÓN NORG+V.E. (2 ml)

CRESTAR: GANADO DE CARNE CON CRÍA
CRESTAR
(PABELLÓN AURICULAR)

RETIRO

• Implante CRESTAR • 9 ó 10 días

56 hrs
INSEMINACIÓNARTIFICIAL

INYECCIÓN NORG+V.E. (2 ml)

FOLIGON (500 UI IM)

CRESTAR: GANADO LECHERO (VAQUILLAS)

Implantación

Retiro

IA

• Implante CRESTAR • 9 ó 10 días

56 horas

48 hrsInyección CRESTAR
PROSOLVIN FOLLIGON 2ml (IM) (500 UI IM)

FIG. 1. Classification of the days of the bovine estrous cycle based on ovarian structures. Pair of ovaries from one cow at a particularday(s) of the estrous cycle is shown. Detailed descriptions for classification of different days of estrous cycle are presented in Table 1. Plate 1. Days 1–3. 1, External view of growing CL; 2, externalview of regressed CL of previous cycle; 3, internal view of growing CL; 4, internal view of regressed CL(s) of previous cycle(s) Plate 2. Days 4–6. 1, External view of growing CL; 2, internal view ofgrowing CL; 3, follicle. Plate 3. Days 7–9. 1, External view of growing CL; 2, external view of regressed CL of previous cycle; 3, internal view of growing CL; 4, follicle. Plate 4. Days 10–12. 1,External view of growing CL; 2, growing blood vessels; 3, follicle; 4, internal view of growing CL.

FIG. 1. Continued. Plate 5. Days 13–15. 1, External view of growing CL; 2, well-developed blood...