Proteose-peptone content of Italian Friesian herd milks produced in two different periods of the year
2000
Summer, A. | Formaggioni, P. | Mariani, P. (Parma Univ. (Italy). Istituto di Zootecnica, Alimentazione e Nutrizione) | Tosi, F. (Centro Lattiero Caseario, Parma (Italy))
إنجليزي. The study was carried out on 36 herd milk samples, collected in winter and in autumn periods, from 18 Italian Friesian dairy herds. Proteose-peptone N content was 10.67 +- 2.52 mg/100 g of milk (min. 5.97, max. 17.01 mg). Proteose-peptone nitrogen represents 8.94 +- 1.90 % of non casein N, and 2.70 +- 0.66 % of casein N. Autumn milk has an higher proteose-peptone nitrogen content with respect to winter milk (10.2 mg vs 11.1 mg). Proteose-peptone variability is high in both seasonal periods (Coefficient of Variation = 20 - 25%)
اظهر المزيد [+] اقل [-]إيطالي. [Lo studio e' stato effettuato su 36 campioni di latte di massa, raccolti nei periodi autunnale e invernale da 18 allevamenti di bovine da latte di razza Frisona Italiana. Il contenuto di N proteoso-peptoni era di 10,67 +- 2,52 mg/100 g di latte ( min. 5,97, max. 17,01). L'azoto proteoso-peptoni rappresenta l'8,4 +- 1,90% dell'N non caseinico e il 2,70 +- 0,66% dell'N caseinico. Il latte autunnale presentava un contenuto di azoto proteoso-peptoni piu' alto rispetto al latte invernale (10,2 mg vs 11,1 mg). La variabilita' dei proteoso-peptoni e' elevata in ambedue i periodi stagionali (Coefficiente di Variazione = 20 - 25%)]
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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