1)Ọkụkọ ọkụkọ broiler

Nnyocha egosila na n'okpuru ọnọdụ nrụgide okpomọkụ na 32 Celsius,nnu calcium nke methionine hydroxy analog(HMTBa-Ca) na-eme ka oriri nri dịkwuo mma, na-eme ka uru kwa ụbọchị dịkwuo mma, na-emekwa ka akwara dị n'ime broilers dịkwuo mma karịa DL-methionine (DLM). N'otu oge ahụ, ọ na-eme ka ikike antioxidant dịkwuo mma, na-ebelata ọkwa free radical, ma na-eme ka ọnọdụ redox ka mma, si otú a na-egosi arụmọrụ ka mma n'ịkwalite arụmọrụ mmepụta na ibelata nrụgide oxidative.

Rịba ama: DLM na-ezo aka na DL-methionine, HMTBa-Ca na-ezo aka na nnu calcium nke hydroxy methionine analog. Mkpụrụ akwụkwọ dị iche iche na-eso data dị na kọlụm ahụ na-egosi nnukwu ọdịiche dị n'etiti otu ọgwụgwọ (P < 0.05).

Otu	Ibu Ahụ Ikpeazụ (kg)	Uru nkezi kwa ụbọchị (g)	Nri nkezi kwa ụbọchị (g)	Oke Mgbanwe Nri
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)Ezi

Nnyocha achọpụtala na itinye otu ụzọ n'ụzọ asatọ nke DL-2-hydroxy-4-(methylthio)butanoic acid calcium (HMTBa-Ca) ma ọ bụ 65% nke dose nke DL-methionine (DLM) na nri piglet na-eme ka mmụba yiri nke ahụ pụta ìhè na arụmọrụ uto, ha abụọ ka mma karịa nri ndị na-enweghị methionine. Ahụghị ọdịiche dị n'etiti otu ọgwụgwọ na oriri nri ma ọ bụ ọnụego ọnwụ.

Tebụl 1 Mmeghachi omume uto na DL-methionine na DL-2 hydroxy-4-methylthio-butyrate a na-etinye acid na oke nke 65:100 na ezi ụmụaka

Ihe na-agbanwe agbanwe	Enweghị Met	HMTBCa	65DLM	SEM	ANOVA, P- uru
BW, kg	22.77^b	25.15^a	25.37^a	0.299	<0.001
ADG, g/d	628^b	655^a	659^a	8.16	0.019
ADFl, g/d	995	971	1010	14.00	0.164
G:F,g/g	0.60^b	0.67^a	0.66^a	0.003	<0.001
Ọnwụ,%	0.00	0.00	0.06	0.036	0.376

3)Ndị Anụmanụ

Na ehi Holstein, a na-enye ha ihe mgbakwunye kwa ụbọchị site na 400 g nke calcium salts nke fatty acids nacalcium hydroxy methionineỌ mụbara mmepụta mmiri ara ehi na mmepụta lactose nke ukwuu. N'ime ehi ndị mbụ, o mekwara ka arụmọrụ ịmụ nwa ka mma nke ukwuu, gụnyere mmụba nke afọ ime na obere oge ịmụ nwa, na-enweghị mmetụta nke ọnọdụ ahụ ma ọ bụ ibu ahụ.

Tebụl 2. Abụba mmiri ara ehi, protein na lactose na-apụta (kg/ụbọchị) na ihe mejupụtara mmiri ara ehi (g/kg) maka ehi ndị na-enweta nri njikwa (C) ma ọ bụ nri lipid na methionine na-agbakwunye (S)

Izu nke inye nwa ara		C	S	SE
Mmepụta mmiri ara ehi	2-12	29.54a	30.71b	0.34
Mmepụta mmiri ara ehi	13-20	27.45c	28.86d	0.32
Mkpụrụ abụba	2-12	1.17	1.19	0.01
Mkpụrụ abụba	13-20	1.10	1.10	0.01
Mmepụta protein	2-12	0.98	0.99	0.01
Mmepụta protein	13-20	0.95	0.95	0.0
Mkpụrụ lactose	2-12	1.37c	1.43d	0.01
Mkpụrụ lactose	13-20	1.29c	1.38d	0.01
Ọnụọgụgụ abụba	2-12	40.73	40.19	0.25
Ọnụọgụgụ abụba	13-20	40.48c	38.40d	0.30
Ọnụọgụgụ protein	2-12	33.84c	32.84d	0.09
Ọnụọgụgụ protein	13-20	34.60c	33.02d	0.09
Ntinye lactose	2-12	46.36	46.36	0.08
Ntinye lactose	13-20	6.71	46.76	0.09