Neonatal buzağılar ve kolostrum

Meme bezlerinden doğumdan hemen önce ve sonrasındaki ilk bir haftalık süre içinde salgılanan süte kolostrum denir. Kolostrum, buzağının ilk günlerindeki gelişme hızına uygun bulunan besin maddeleri ihtiyacını dengeli ve yeterli ölçüde karşılayan ideal bir gıdadır. Yeni doğan buzağı için kolostrumun alınımı; onun hastalıklara karşı direnci, gelişme oranı ve hayatta kalabilirliği açısından çok önemlidir. Buzağı doğumdan sonraki kritik dönemde yeterli kolostrum almamışsa ya da alamamışsa en büyük risk meydana gelmiş demektir. Buzağılar doğumdan sonraki ilk 6 saat içinde vücut ağırlığının en az %6'sı kadar kolostrum almalıdırlar. Kolostrum ile emilen antikorların seviyesi kanda 12-24 saat sonra maksimum seviyeye çıkar. Bu derlemenin amacı, kolostrumun yapısı, yeni doğmuş buzağılar için önemi ve kolostrumla besleme hakkında pratik bilgiler vermektir.

Anahtar Kelimeler:

kimyasal bileşim, kolostrum, antikor, hastalığa dayanıklılık, büyüme oranı, bağışıklık, yenidoğan hayvanlar, buzağı besleme, buzağı, sığır

Newborn calves and colostrum

Colostrum is defined as secreted milk from mammary glands immediately prior to calving and during to first week following calving. Colostrum provides adequate and balanced nutrient ingradients for need of growing calf during its first days. Colostrum intake is very important for newborn calf regarding resistance to diseases, growing rate and its survivality. If a calf could not get sufficient colostrum during the critical period after calving, the highest risk is occured for survival. Calves should take colostrum at least 6% of their body weight during the first 6 hours after calving. The level of antibodies in blood is maximum at 12-24 hours after resorption of antibodies from colostrum. The purpose of this review is to give a practical information in terms of ingradients of colostrum, the importance of colostrum for newborn calves and feeding calves with colostrum.

Keywords:

chemical composition, colostrum, antibodies, disease resistance, growth rate, immunity, newborn animals, calf feeding, calves, cattle,

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