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Élevage de Bovins: Un manuel complet sur la reproduction, l'alimentation, la traite, la santé du troupeau et la gestion durable du bétail.
Paperback
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ISBN13: 9798276673257
Publisher: Independently Published
Published: Nov 29 2025
Pages: 286
Weight: 0.85
Height: 0.60 Width: 6.00 Depth: 9.00
Language: French
Publisher: Independently Published
Published: Nov 29 2025
Pages: 286
Weight: 0.85
Height: 0.60 Width: 6.00 Depth: 9.00
Language: French
Systèmes squelettique et musculo-squelettique
Le squelette bovin supporte une masse corporelle importante tout en facilitant un pâturage efficace et de longues périodes debout. Les principales caractéristiques sont les suivantes:
Le squelette bovin supporte une masse corporelle importante tout en facilitant un pâturage efficace et de longues périodes debout. Les principales caractéristiques sont les suivantes:
- Squelette axial: Crâne, colonne vertébrale (cervicale, thoracique, lombaire, sacrée, caudale) et côtes. Les vertèbres thoraciques soutiennent une poitrine profonde qui abrite un grand rumen et des poumons. La région lombaire doit résister aux forces de cisaillement du remplissage du rumen et de la grossesse.
Système tégumentaire et thermorégulation
La peau constitue une barrière contre les intempéries et les parasites, et sert d'organe thermorégulateur. Les bovins dissipent la chaleur par:
- Vasodilatation périphérique et augmentation du rythme respiratoire.
- Les glandes sudoripares, plus nombreuses chez les races de zébu que chez les races de taurines, conférant une tolérance à la chaleur.
- Thermorégulation comportementale: recherche d'ombre, modification des périodes de pâturage et regroupement pour réduire l'exposition au vent.
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