Automatic oestrus detection system enables monitoring of sexual behaviour in sheep
| Autor: | A. Lurette, Nathalie Debus, Moutaz Alhamada, François Bocquier |
|---|---|
| Přispěvatelé: | Systèmes d'élevage méditerranéens et tropicaux (UMR SELMET), Institut National de la Recherche Agronomique (INRA)-Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut National de la Recherche Agronomique (INRA)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro) |
| Jazyk: | angličtina |
| Rok vydání: | 2017 |
| Předmět: |
Libido
Estrous cycle Gynecology libido medicine.medical_specialty 030219 obstetrics & reproductive medicine [SDV]Life Sciences [q-bio] 0402 animal and dairy science 04 agricultural and veterinary sciences Biology 040201 dairy & animal science Breed ewe ram 03 medical and health sciences 0302 clinical medicine Animal science automated oestrus detection Food Animals Mature adult pregnancy diagnosis medicine Animal Science and Zoology oestrus |
| Zdroj: | Small Ruminant Research Small Ruminant Research, Elsevier, 2017, 149, pp.105-111. ⟨10.1016/j.smallrumres.2017.02.003⟩ |
| ISSN: | 0921-4488 |
| DOI: | 10.1016/j.smallrumres.2017.02.003⟩ |
| Popis: | An experiment was conducted to observe the oestrous behaviour in ewes through an automated oestrus detection system. Five mature adult Merino male rams, equipped with an electronic detector (Alpha-D), were included with a total of 60 ewes from the same breed. The libido of the males was assessed as the number and frequency of mounts. The accepted mountings by ewes were recorded by an electronic identifier worn by the female. In the first synchronized oestrus (C1), the ewes were exposed to rams wearing an anti-mating apron. In the following spontaneous cycle (C2), all the rams were allowed to mate. In the third cycle (C3) and the fourth cycle (C4), the rams were assumed to detect ewes in oestrus (open ewes). After the exclusion of isolated readings, the mean interval from sponge withdrawal to onset of oestrus was 31 ± 11 h and duration of oestrus in C1–C3 was 22 ± 18, 16 ± 11 and 16 ± 8 h, respectively. The libido differed widely among the rams and cycles number with an average number of mounts per ram in C1–C4, that were 213, 322, 85 and 3 respectively. It is concluded that all the females were correctly detected and the assessed libido of males was repeated. |
| Databáze: | OpenAIRE |
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