EFFECTS OF SUBSTITUTING BARLEY WITH MACARONI WASTES ON MILK PRODUCTION AND COMPOSITION IN LACTATING DAIRY COWS

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AALIKHANI M.; FALAH POUR O.; GHORBANI G.

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Journal: Journal of Water and Soil Science Year:2004 | Volume:8 | Issue:1 Page(s): 156-156

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Title

EFFECTS OF SUBSTITUTING BARLEY WITH MACARONI WASTES ON MILK PRODUCTION AND COMPOSITION IN LACTATING DAIRY COWS

Author(s)

AALIKHANI M. | FALAH POUR O. | GHORBANI G. | Issue Writer Certificate

Keywords

MACARONIQ4

LACTATING COWQ3

BARLEYQ3

Abstract

In order to determine the effects of using MACARONI wastes instead of BARLEY on dry matter intake (DMI), milk yield and composition, and nutrient digestibility, eight lactating Holstein cows (4 primiparous and 4 multiparous) in midlactation were used in a 4x4 Latin square design. The experimental periods were 21 d with 16 d for adjustment and 5 d for data collection. Treatments included a control diet (1) and diets 2, 3, and 4 containing 15, 30, and 45% MACARONI wastes, respectively, which were fed three times a day as total mixed rations. During the last 5 days of each period, feed and , fecal samples were taken for determination of DMI and apparent digestibilities and milk samples for fat, protein, lactose, and solids no fat (SNF). During the last day of collection period, urine samples were collected 3 and 5 h post feeding for pH determination. The results showed no significant differences among experimental traits in either primiparous or multiparous, and across all cows. Milk yield and efficiency of feed conversion were no significantly higher for diets 2, 3, and 4 compared with control cows. Compared to the control diet, DMI, fat, protein and SNF percentages did not significantly decrease in diets 3 and 4. From the results of this expriment, it may be concluded that replacing BARLEY with MACARONI wastes up to 45 percent could increase energy intake without any adverse effects on milk production and composition or on metabolic function in midlactating dairy cows.

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APA: Copy

AALIKHANI, M., FALAH POUR, O., & GHORBANI, G.. (2004). EFFECTS OF SUBSTITUTING BARLEY WITH MACARONI WASTES ON MILK PRODUCTION AND COMPOSITION IN LACTATING DAIRY COWS. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 8(1), 156-156. SID. https://sid.ir/paper/357628/en

Vancouver: Copy

AALIKHANI M., FALAH POUR O., GHORBANI G.. EFFECTS OF SUBSTITUTING BARLEY WITH MACARONI WASTES ON MILK PRODUCTION AND COMPOSITION IN LACTATING DAIRY COWS. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2004;8(1):156-156. Available from: https://sid.ir/paper/357628/en

IEEE: Copy

M. AALIKHANI, O. FALAH POUR, and G. GHORBANI, “EFFECTS OF SUBSTITUTING BARLEY WITH MACARONI WASTES ON MILK PRODUCTION AND COMPOSITION IN LACTATING DAIRY COWS,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 8, no. 1, pp. 156–156, 2004, [Online]. Available: https://sid.ir/paper/357628/en

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