Orukọ Kemikali: Calcium iyọ ti 2-Hydroxy-4-Methylthiobutyric Acid
Ilana molikula: (CH3SCH2CHOHCOO)2Ca
iwuwo molikula: 338.45
CAS No.: 4857-44-7
Irisi: Funfun, grẹy ina, tabi erupẹ awọ-awọ-awọ-awọ-awọ-awọ-awọ tabi awọn granules, pẹlu õrùn ẹja abuda kan
| Nkan | Atọka |
| kalisiomu Hydroxy methionine, (CH3SCH2CHOHCOO)2Kà,% | ≥ 95.0 |
| Methionine Hydroxy Analogue,% | ≥ 84.0 |
| Ca2+, (%) | 11.0% ~ 15.0% |
| Lapapọ arsenic (koko ọrọ si As), mg/kg | ≤2.0 |
| Pb (koko ọrọ si Pb), mg/kg | ≤20 |
| Akoonu omi,% | ≤ 1.0 |
| Didara (oṣuwọn 425μm kọja (mesh 40)),% | ≥ 95.0 |
1) Pese orisun daradara ti methionine
Hydroxy methionine kalisiomu jẹ afọwọṣe methionine ti o le ṣe iyipada ni kiakia si L-methionine ninu awọn ẹranko, ti o kopa ninu iṣelọpọ amuaradagba.
2) Ṣe igbelaruge iye, awọ-ara, ati ilera ẹsẹ
Methionine ṣe alabapin ninu iṣelọpọ keratin ati pe o ṣe pataki fun idagba awọn tissu keratinized gẹgẹbi awọn iyẹ ẹyẹ ninu adie ati awọn hooves ninu ẹlẹdẹ.
3) Ṣe ilọsiwaju iṣeto ni irọrun ati iduroṣinṣin
Ti a ṣe afiwe pẹlu DL-methionine, MHA-Ca jẹ iduroṣinṣin diẹ sii, kere si hygroscopic, ati sooro si akara oyinbo, ti o jẹ ki o rọrun lati fipamọ ati dapọ.
4) Ṣe ilọsiwaju ajesara ati agbara antioxidant
Gẹgẹbi amino acid ti o ni imi-ọjọ imi-ọjọ, o ṣe alabapin ninu iṣelọpọ ti awọn antioxidants gẹgẹbi glutathione (GSH), ṣe iranlọwọ lati yọkuro awọn ipilẹṣẹ ọfẹ ati imudarasi resistance aapọn.
1)Adie broiler
Awọn ẹkọ-ẹkọ ti fihan pe labẹ awọn ipo aapọn ooru ni 32 ° C, iyọ kalisiomu ti methionine hydroxy analog (HMTBA-Ca) ṣe atunṣe ifunni ifunni, apapọ ere ojoojumọ, ati idagbasoke iṣan ni awọn broilers diẹ sii daradara ju DL-methionine (DLM). Ni akoko kanna, o ṣe pataki agbara agbara antioxidant, dinku awọn ipele radical ọfẹ, ati ilọsiwaju ipo redox, nitorinaa ṣe afihan iṣẹ ṣiṣe ti o ga julọ ni igbega iṣelọpọ iṣelọpọ ati idinku aapọn oxidative.
Akiyesi: DLM n tọka si DL-methionine, ati HMTBA-Ca n tọka si iyọ kalisiomu ti analog hydroxy methionine. Awọn lẹta oriṣiriṣi ti o tẹle data ni iwe kanna ṣe afihan awọn iyatọ pataki laarin awọn ẹgbẹ itọju (P <0.05).
| Ẹgbẹ | Ìwọ̀n Ara Ikẹhin (kg) | Apapọ Ere Ojoojumọ (g) | Iwọn Ifunni Ifunni Ojoojumọ (g) | Iyipada Iyipada ifunni |
| 0.1% DLM | 2.25 ± 0.13a | 53. 61 ± 2. 99a | 122. 40 ± 4. 06a | 2.29 ± 0. 17b |
| 0.2% DLM | 2,37 ± 0. 14ab | 56. 41 ± 3. 38ab | 128. 24 ± 4. 22b | 2. 28 ± 0. 19b |
| 0.3% DLM | 2,39 ± 0. 15ab | 56. 85 ± 3. 63ab | 122. 65 ± 4. 83a | 2. 16 ± 0.11b |
| 0,1% HMTB-Ca | 2,38 ± 0. 18ab | 56. 61 ± 4. 22ab | 123. 16 ± 7. 07a | 2. 18 ± 0. 10b |
| 0,2% HMTB-Ca | 2.44 ± 0. 13b | 58. 01 ± 3. 03b | 130. 80 ± 4. 44b | 2. 26 ± 0. 17b |
| 0,3% HMTB-Ca | 2.57 ± 0. 11c | 61. 12 ± 2. 68c | 124. 93 ± 4. 92a | 2. 04 ± 0. 17a |
2)Elede
Awọn ẹkọ-ẹkọ ti rii pe afikun awọn ounjẹ ẹlẹdẹ pẹlu ida-kẹjọ ti DL-2-hydroxy-4- (methylthio) butanoic acid calcium (HMTBA-Ca) tabi pẹlu 65% ti iwọn lilo ti DL-methionine (DLM) ṣe awọn ilọsiwaju afiwera ni iṣẹ idagbasoke, mejeeji ga julọ si awọn ounjẹ aipe methionine. Ko si awọn iyatọ ti a ṣe akiyesi laarin awọn ẹgbẹ itọju ni gbigbe ifunni tabi oṣuwọn iku.
Tabili 1 Idahun Idagbasoke si DL-methionine ati DL-2 hydroxy-4-methylthio-butyrate acidfed ni ipin ti 65:100 ni awọn elede nọsìrì
| Ayípadà | Pade-aipe | HMTBCa | 65DLM | SEM | ANOVA, P- iye |
| BW, kg | 22.77b | 25.15a | 25.37a | 0.299 | <0.001 |
| ADG, g/d | 628b | 655a | 659a | 8.16 | 0.019 |
| ADFl, g/d | 995 | 971 | 1010 | 14.00 | 0.164 |
| G:F,g/g | 0.60b | 0.67a | 0.66a | 0.003 | <0.001 |
| Iku,% | 0.00 | 0.00 | 0.06 | 0.036 | 0.376 |
1)Awọn agbasọ ọrọ
Ni awọn malu ibi ifunwara Holstein, afikun ojoojumọ pẹlu 400 g ti awọn iyọ kalisiomu ti awọn acids fatty ati hydroxy methionine kalisiomu ti o pọ si ikore wara ati iṣelọpọ lactose. Ninu awọn malu akọkọ, o tun ni ilọsiwaju iṣẹ ibisi ni amisi, pẹlu awọn oṣuwọn iloyun ti o ga julọ ati awọn aaye arin ọmọ kuru, laisi ni ipa lori ipo ara tabi iwuwo ara.
Tabili 2 Ọra wara, amuaradagba ati awọn ikore lactose (kg / ọjọ) ati akojọpọ wara (g/kg) fun awọn malu gbigba ounjẹ iṣakoso (C) tabi ọra ati ounjẹ afikun methionine (S)
| Ọsẹ ti lactation | C | S | SE | |
| Ikore wara | 2-12 | 29.54a | 30.71b | 0.34 |
| 13-20 | 27.45c | 28.86d | 0.32 | |
| Ikore ọra | 2-12 | 1.17 | 1.19 | 0.01 |
| 13-20 | 1.10 | 1.10 | 0.01 | |
| Amuaradagba ikore | 2-12 | 0.98 | 0.99 | 0.01 |
| 13-20 | 0.95 | 0.95 | 0.0 | |
| Lactose ikore | 2-12 | 1.37c | 1.43d | 0.01 |
| 13-20 | 1.29c | 1.38d | 0.01 | |
| Ifojusi ọra | 2-12 | 40.73 | 40.19 | 0.25 |
| 13-20 | 40.48c | 38.40d | 0.30 | |
| Amuaradagba ifọkansi | 2-12 | 33.84c | 32.84d | 0.09 |
| 13-20 | 34.60c | 33.02d | 0.09 | |
| Ifojusi lactose | 2-12 | 46.36 | 46.36 | 0.08 |
| 13-20 | 6.71 | 46.76 | 0.09 | |
Awọn iye ti o tumọ pẹlu oriṣiriṣi awọn iwe afọwọkọ laarin awọn ori ila, yatọ ni pataki a,b (P <0·05); c,d (P <0·01).
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Ṣiṣepọ awọn talenti ti ẹgbẹ lati kọ Lanzhi Institute of Biology
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