Magnesium in the diet of pigs, usually contains a sufficient amount. However, some species and sex and age groups (young, pregnant, high) may lack magnesium.
Most often this occurs in extreme conditions: the transition period of detention, diets changing, stress, cold, rainy summer, weaning, etc.
Magnesium digestibility of pigs from separate feed and compounds is
corn — 55.7% ,
oats — 82.7%,
barley — 54.5%,
soy flour — 60.3%
carbonate — 64.9%,
and phosphate — 54%.
Application of magnesium in the diet of pigs
Additive in piglets diets of age 2 to 4 months of magnesium in an amount of 4–5 g provides an increasing in average daily live weight gain of 6–7%, while reducing feed costs by 7% compared to animals treated with 3–3.5 g of magnesium.
Feeding to pigs of increased doses of magnesium (57 g) contributes to lower daily gain, respectively 3–4 and 7–8% compared with control (with no magnesium), and 10–11 and 14–15% compared with animals treated with 5.4 g of magnesium.
Inclusion in the composition of the diet of piglets of age 2 to 4 months magnesium in an amount of 4–5 g has a positive effect on the physiological state of the organism. There is an increasing of blood morphological indicators (leucocytes, erythrocytes, hemoglobin, total protein, glucose).
Feeding piglets from of age 2 to 4 months of 4–5 g of magnesium as part of diets allows you to get more revenue.
Large specialized farms and recommended for use in the diets of young pigs of age 2 to 4 months magnesium fertilizer AgroMag® at a dose of 4 g or 1.44 g of pure magnesium per head.
The need for macro-and micronutrients per head per day (pigs)
Gram/kilogram of finished feed (80% DM)
Ñà
Ð
ïåðåê
Na
Mg
Zn
Cu
Se
Mn
I
Fe
Sows before the formation of the mammary glands
6
4
2
2
1
60–80
15–20
0,2–0,4
20–30
0,5–1,0
80–100
Sows with three weeks before farrowing
4,5
2,2
Lactating sows depending on the live weight and the size of the nest
6,5–7,5
5,0–5,5
3,0–3,3
Piglets at weaning * 9 5-30kg live weight, the average gain of 350 g/day
7,0–8,6
6,5–5,5
3,7–2,7
1,5
100
6
0,3
Fattening pigs (30-70kg bw)
6,6–6,0
5,8–4,2**
2,7–2,3
50–60
50–60
Fattening pigs (70-120kg bw)
8,5
5–4**
2,3–1,9
0,45
*If you use materials from rape, the necessary content is 1.2–1.5 mg
**Using phytase
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