Table 3 Composition and quantity of the experimental diets with alterations in macronutrient ratio
a) Maternal dietary composition (%) | ||||
|---|---|---|---|---|
Gestation diet | Lactation | |||
Percentage | Control | Fat substituted | ||
Tapioca | 28.1 | 3.1 | - | |
Rapeseed meal | 10.0 | 10.0 | 4.0 | |
Sunflowerseed meal | 4.0 | 4.0 | 2.0 | |
Soybean hulls | 13.0 | 17.0 | 2.0 | |
Sugar beet pulp | 10.0 | 10.0 | - | |
Palm oil | - | 6.6 | 3.1 | |
Soybean oil | 0.5 | 0.5 | 0.97 | |
Maize | - | - | 10.0 | |
Sugar beet pulp | - | - | 2.0 | |
Soybean meal | - | - | 11.7 | |
Wheat | 10.0 | 10.0 | 26.4 | |
Barley | 10.0 | 10.0 | 15.0 | |
Wheat middlings | 15.0 | 15.0 | 15.0 | |
Molasses | 4.0 | 4.0 | 4.0 | |
Mono calcium phosphate | 0.22 | 0.22 | 0.48 | |
Salt | - | - | 0.37 | |
Limestone | 0.50 | 0.60 | 1.56 | |
Premix vit. and min. | 0.5 | 0.5 | 0.5 | |
Lysine (25%) | 0.17 | 0.17 | - | |
Lysine-HCl (L, 79%) | - | - | 0.17 | |
Threonine (L, 98%) | - | - | 0.02 | |
Phytase | 0.5 | 0.5 | 0.5 | |
Threonine (15%) | 0.01 | 0.01 | - | |
Sodium bicarbonate | 0.6 | 0.6 | 0.16 | |
Basic Feed allowance | 107.1 | 92.8 | 100.0 | |
b) Summary of major dietary components of the maternal diet and net energy. NB these nutrient levels were present in 1.07 Kg of the control diet and 0.92 Kg of the HF diet leading to a 15% reduction in intake in the HF diet. These diets were therefore isocaloric. | ||||
Gestation diet | Lactation | |||
Nutrients | Control | Fat substituted | ||
g/Kg | Ash | 64 | 52 | 61 |
g/Kg | Crude protein | 123 | 122 | 161 |
g/Kg | Crude fat | 25 | 89 | 63 |
g/Kg | Crude fibre | 120 | 121 | 52 |
MJ/Kg | Net energy | 9.3 | 9.3 | 9.5 |
c) Feed quantities provided | ||||
Feed quantity during gestation (Kg/day) | ||||
Day 0-40 | Day 40-70 | Day 70-110 | ||
Control (n = 8) | 2.89 | 2.89 | 3.75 | |
Fat substituted (n = 8) | 2.51 | 2.51 | 3.26 | |