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CICLO ESTRALE DELLA BOVINA,CICLO ESTRALE DELLA BOVINA,
CALORE E TECNICHE PER LA SUACALORE E TECNICHE PER LA SUA
INDIVIDUAZIONEINDIVIDUAZIONE
NORMALI PERFORMANCE RIPRODUTTIVENORMALI PERFORMANCE RIPRODUTTIVE
IN BOVINE DA LATTEIN BOVINE DA LATTE
278 ÷ 288*283dDurata gravidanza
10 ÷ 2418hDurata estro o calore
18 ÷ 2421dDurata del ciclo estrale
6 ÷ 1410mesiEtà alla pubertà
mediaUnità di misura
* A seconda del tipo genetico.
MomentoMomento idealeideale didi primaprima fecondazionefecondazione
SCHEMASCHEMA
DEL CICLODEL CICLO
ESTRALEESTRALE
DELLA BOVINADELLA BOVINA
VARIAZIONE DEL TASSO PLASMATICO DIVARIAZIONE DEL TASSO PLASMATICO DI
ORMONI DURANTE IL CICLO ESTRALE BOVINOORMONI DURANTE IL CICLO ESTRALE BOVINO
DURATA E SINTOMATOLOGIA DEL CALOREDURATA E SINTOMATOLOGIA DEL CALORE
16 – 237 - 10
30 – 40 %40 - 50 %
OSSERVATO12 – 24 oreDURATA:
MANIFESTAZIONI
- La bovina è irrequieta, aumenta l’attività motoria, ha muggiti frequenti e
minzioni frequenti;
- La vacca monta le altre bovine (fase attiva);
- La vacca si fa montare dalle congeneri (fase passiva);
- A seguito di pressioni sulle cosce, la bovina tende ad innalzare la coda e
ad inarcare il dorso;
- A livello vaginale, presenza di uno scolo mucoso vitreo che origina dalla
apertura della cervice;
- Epitelio vaginale turgido ed edematoso.
INCIDENZA % DEI CALORI NELLE 24 OREINCIDENZA % DEI CALORI NELLE 24 ORE
DIFFICOLTADIFFICOLTA’’ DI IDENTIFICAZIONE DEI CALORIDI IDENTIFICAZIONE DEI CALORI
MODERNI SISTEMI DI IDENTIFICAZIONEMODERNI SISTEMI DI IDENTIFICAZIONE
DEI CALORIDEI CALORI
RISULTATI SPERIMENTALI OTTENUTIRISULTATI SPERIMENTALI OTTENUTI
CONCON HEAT WATCHHEAT WATCHTMTM AL VATECHAL VATECH
max 36.6 h
max 80
min < 0.5
Heat Watchtm 1.41
DATI DA HEAT WATCHTM
8.5 oreDurata media del calore
12.2N° Monte per calore
N° Inseminazioni/Gravidanza
% DI IDENTIFICAZIONE
MANZEVACCHE
25.355.6Osservazione Visiva
98.799.4Heat Watchtm
336ESTRI CONTROLLATI
Osserv. visiva 1.90
214 (vacche e manze)ANIMALI CONTROLLATI
Ciclo estrale e calore

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Ciclo estrale e calore

  • 1. CICLO ESTRALE DELLA BOVINA,CICLO ESTRALE DELLA BOVINA, CALORE E TECNICHE PER LA SUACALORE E TECNICHE PER LA SUA INDIVIDUAZIONEINDIVIDUAZIONE
  • 2.
  • 3. NORMALI PERFORMANCE RIPRODUTTIVENORMALI PERFORMANCE RIPRODUTTIVE IN BOVINE DA LATTEIN BOVINE DA LATTE 278 ÷ 288*283dDurata gravidanza 10 ÷ 2418hDurata estro o calore 18 ÷ 2421dDurata del ciclo estrale 6 ÷ 1410mesiEtà alla pubertà mediaUnità di misura * A seconda del tipo genetico.
  • 4. MomentoMomento idealeideale didi primaprima fecondazionefecondazione
  • 5.
  • 7.
  • 8. VARIAZIONE DEL TASSO PLASMATICO DIVARIAZIONE DEL TASSO PLASMATICO DI ORMONI DURANTE IL CICLO ESTRALE BOVINOORMONI DURANTE IL CICLO ESTRALE BOVINO
  • 9. DURATA E SINTOMATOLOGIA DEL CALOREDURATA E SINTOMATOLOGIA DEL CALORE 16 – 237 - 10 30 – 40 %40 - 50 % OSSERVATO12 – 24 oreDURATA: MANIFESTAZIONI - La bovina è irrequieta, aumenta l’attività motoria, ha muggiti frequenti e minzioni frequenti; - La vacca monta le altre bovine (fase attiva); - La vacca si fa montare dalle congeneri (fase passiva); - A seguito di pressioni sulle cosce, la bovina tende ad innalzare la coda e ad inarcare il dorso; - A livello vaginale, presenza di uno scolo mucoso vitreo che origina dalla apertura della cervice; - Epitelio vaginale turgido ed edematoso.
  • 10.
  • 11.
  • 12. INCIDENZA % DEI CALORI NELLE 24 OREINCIDENZA % DEI CALORI NELLE 24 ORE
  • 13. DIFFICOLTADIFFICOLTA’’ DI IDENTIFICAZIONE DEI CALORIDI IDENTIFICAZIONE DEI CALORI
  • 14. MODERNI SISTEMI DI IDENTIFICAZIONEMODERNI SISTEMI DI IDENTIFICAZIONE DEI CALORIDEI CALORI
  • 15. RISULTATI SPERIMENTALI OTTENUTIRISULTATI SPERIMENTALI OTTENUTI CONCON HEAT WATCHHEAT WATCHTMTM AL VATECHAL VATECH max 36.6 h max 80 min < 0.5 Heat Watchtm 1.41 DATI DA HEAT WATCHTM 8.5 oreDurata media del calore 12.2N° Monte per calore N° Inseminazioni/Gravidanza % DI IDENTIFICAZIONE MANZEVACCHE 25.355.6Osservazione Visiva 98.799.4Heat Watchtm 336ESTRI CONTROLLATI Osserv. visiva 1.90 214 (vacche e manze)ANIMALI CONTROLLATI