Íslenskar landbúnaðarrannsóknir - 01.09.1971, Side 10

8 ÍSLENZKAR LANDBÚNAÐARRANNSÓKNIR
TAFLA 3 - TABLE 3
Þurrefnistap í hlöðunum
Dry matter losses during drying and storage
Ár Year Fjöldi einstakra mælinga Number of observations Þurrefnistap, % Dry matter loss ± standard devialion
Kalt Unheated Heitt Preheated Kalt Unheated Heitt Preheated
1960 9 8 2,33 ± 1,59 3,00 ± 1,87
1961 4 5 6,46 ± 3,38 7,38 ± 2,21
1962 3 3 1,05 ± 0,27 1,33 ± 0,28
Meðaltal 3 ára Average of 3 years 3,28 ± 1,79 3,90 ± 1,68
TAFLA4 - TABLE4
Fóðurgildi heysins í lok tilraunanna
Chemical composition and feeding value of hay after drying and storage
1960 1961 19S2
Kalt Unheated Heitt Preheated Kalt Unheated Heitt Preheated Kalt Unheated Heitt Preheated
Hrápróteín, %t)
Crude protein 11,7 11,5 12,0 11,6 13,7 13,6
Hráfita, % Crude fat 2,4 2,3 2,3 2,4 2,0 2,1
Onnur efni, %
N-free extract 43,4 42,6 38,8 41,6 39,9 39,4
Tréni, % Crude fibre 22,8 23,5 25,8 23,1 22,9 24,0
Aska, % Ash. 4,7 5,1 6,1 6,3 6,5 5,9
Kg hey í fóðureiningu
Kg hay per feed unit 1,8 2,0 1,9 1,7 1,9 1,9
g melt. hráprótein pr. kg hey Dig. crude protein pr. kg hay 68 66 76 73 92 94
1) Miðað er við hey með 25% rakainnihaldi. Hay with 15 per cent m.c. (w.b.).