EFFECT OF LIPID SOURCES AND ORGANIC ZINC SUPPLEMENTATION ON PERFORMANCE, EGG BACTERIAL ACTIVITY AND REPRODUCTIVE PARAMETERS OF LAYING HENS

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SHAFIEIPOUR FARD D.; SALARI SOMAYEH; SARI MOHSEN; ABDANAN MEHDIZADEH SAMAN; ZAREI MEHDI

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Journal: Journal of Animal Production Year:2016 | Volume:18 | Issue:3 Page(s): 539-552

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Title

EFFECT OF LIPID SOURCES AND ORGANIC ZINC SUPPLEMENTATION ON PERFORMANCE, EGG BACTERIAL ACTIVITY AND REPRODUCTIVE PARAMETERS OF LAYING HENS

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Keywords

EGG SHELL THICKNESSQ2

FISH OILQ2

HAUGH UNITQ1

OVARYQ2

ZINC-METHIONINEQ2

Abstract

This experiment was conducted to evaluate the effect of different lipid sources and organic zinc supplementation on performance, egg bacterial activity and OVARY morphology of laying hens for 10 weeks. with 288 sixty weeks old birds by employing a completely randomized design with factorial arrangement of 3×4 with 12 treatments, 4 replicates and 6 hens each. The factors of interest were 4% lipid from different sources (soybean oil, FISH OIL and tallow) and various levels of zinc (40, 100, 200 and 300 mg/kg of diet). In all three lipid sources, significant reduction (P<0. 05) was observed in feed intake when the level of zinc supplementation increased. HAUGH UNIT was significantly (P<0. 05) increased in diets containing different lipid sources as the level of zinc supplementation increased. The highest HAUGH UNIT value was observed at the level of 100 mg/kg of zinc supplementation with soybean oil and FISH OIL. Increasing levels of zinc supplementation significantly (P<0. 05) improved eggshell thichness, eggshell strength and eggshell percentage. The number of large white follicles linearly increased in diets containing tallow, when the level of zinc supplementation increased. The egg yolk microbial load was significantly (P<0. 05) decreased by different lipid sources as the level of zinc supplementation increased. According to the results, it seems that the addition of zinc to the diets containing different lipid sources could not affected performance parameters but decreased egg yolk microbial load.

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APA: Copy

SHAFIEIPOUR FARD, D., SALARI, SOMAYEH, SARI, MOHSEN, ABDANAN MEHDIZADEH, SAMAN, & ZAREI, MEHDI. (2016). EFFECT OF LIPID SOURCES AND ORGANIC ZINC SUPPLEMENTATION ON PERFORMANCE, EGG BACTERIAL ACTIVITY AND REPRODUCTIVE PARAMETERS OF LAYING HENS. JOURNAL OF ANIMAL PRODUCTION (JOURNAL OF AGRICULTURE), 18(3 ), 539-552. SID. https://sid.ir/paper/208925/en

Vancouver: Copy

SHAFIEIPOUR FARD D., SALARI SOMAYEH, SARI MOHSEN, ABDANAN MEHDIZADEH SAMAN, ZAREI MEHDI. EFFECT OF LIPID SOURCES AND ORGANIC ZINC SUPPLEMENTATION ON PERFORMANCE, EGG BACTERIAL ACTIVITY AND REPRODUCTIVE PARAMETERS OF LAYING HENS. JOURNAL OF ANIMAL PRODUCTION (JOURNAL OF AGRICULTURE)[Internet]. 2016;18(3 ):539-552. Available from: https://sid.ir/paper/208925/en

IEEE: Copy

D. SHAFIEIPOUR FARD, SOMAYEH SALARI, MOHSEN SARI, SAMAN ABDANAN MEHDIZADEH, and MEHDI ZAREI, “EFFECT OF LIPID SOURCES AND ORGANIC ZINC SUPPLEMENTATION ON PERFORMANCE, EGG BACTERIAL ACTIVITY AND REPRODUCTIVE PARAMETERS OF LAYING HENS,” JOURNAL OF ANIMAL PRODUCTION (JOURNAL OF AGRICULTURE), vol. 18, no. 3 , pp. 539–552, 2016, [Online]. Available: https://sid.ir/paper/208925/en

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