Additive for livestock feed and feed composition for livestock
A feed composition and additive technology, applied in the direction of animal feed, additional food elements, applications, etc., can solve the problem of decreasing feed intake, and achieve the effects of improving livestock productivity and economic benefits, improving feed conversion rate and weight gain efficiency
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Embodiment 2
[0058] In Example 2, the effect of adding only monosodium L-glutamate to feed was examined. A total of 216 weaned and castrated male piglets (landrace × Large White × Duroc, hybrid) were randomly divided into 6 treatment groups with 6 pens (6 pigs / pen) as an experimental unit through complete block design . Comparative Examples 5 to 8 and Examples 3 and 4 containing the amino acids shown in Table 5 were administered to each treatment group.
[0059] Comparative Example 5 was formulated as shown in Table 6, which is a feed composition used in production farms, which contains 1.27% of L-lysine and does not add monosodium L-glutamate. For Comparative Examples 6 to 8 and Examples 3 and 4, Comparative Example 5 was used as the basic composition, and each amino acid was added by substituting cornstarch shown in Table 6. In Comparative Examples 6 and 7, only monosodium L-glutamate was added, so their ratios were lower than those considered nutritionally optimal for piglets (0.19). ...
Embodiment 3
[0062] Example 3 Under the same conditions as in Example 1, the effects of L-glutamic acid on body weight gain, feed intake and feed conversion ratio of weaned piglets were investigated. The form of monosodium L-glutamate in the digestive tract and oral cavity is L-glutamic acid. A total of 216 weaned and castrated male piglets (landrace × Large White × Duroc, hybrid) were randomly divided into 6 treatment groups with 6 pens (6 pigs / pen) as an experimental unit through complete block design . The feed compositions of Comparative Examples 9 to 12 and Examples 5 and 6 containing the amino acids shown in Table 8 were administered to each treatment group.
[0063] Comparative Example 9 was formulated as shown in Table 9, which is a feed composition used in production farms, which contains 1.31% of L-lysine, without adding monosodium L-glutamate. For Comparative Examples 10 to 12 and Examples 5 and 6, Comparative Example 9 was used as the basic composition, and each amino acid wa...
Embodiment 4
[0067]EXAMPLE 4 By using the feed composition actually used on the production farm (in which various other feed ingredients are used in addition to corn and soybean meal), it is studied that L-tryptophan in the feed is sufficient for piglet requirements The effect of adding monosodium L-glutamate in combination. A total of 216 weaned and castrated male piglets (landrace × Large White × Duroc, hybrid) were randomly divided into 6 treatment groups with 6 pens (6 pigs / pen) as an experimental unit through complete block design . Comparative Examples 13 and 14 and Examples 7 to 10 containing the amino acids shown in Table 11 were administered to each treatment group.
[0068] Comparative Example 13 was formulated as shown in Table 12, which was the feed composition used in the production farm, and contained 1.27% of L-lysine without adding monosodium L-glutamate.
[0069] For Comparative Example 14 and Examples 7 to 10, Comparative Example 13 was used as the basic composition, an...
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