EFFECTS SUBSTITUTING SORGHUM GRAIN FOR BARLEY ON MILK YIELD AND COMPOSITION OF DAIRY COWS

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MOSHARAF SH.A.D.; GHORBANI GH.R.; ASADIAN AKBAR; ALI KHANI MASOUD

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Journal: Iran Agricultural Research Year:2000 | Volume:19 | Issue:1 Page(s): 17-28

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Title

EFFECTS SUBSTITUTING SORGHUM GRAIN FOR BARLEY ON MILK YIELD AND COMPOSITION OF DAIRY COWS

Author(s)

MOSHARAF SH.A.D. | GHORBANI GH.R. | ASADIAN AKBAR | ALI KHANI MASOUD | Issue Writer Certificate

Keywords

DAIRY COWSQ3

MILKQ3

SORGHUMQ3

Abstract

5×5 Latin-square experiment (21-d periods) was conducted to measure the effects of replacing of barley by SORGHUM grain on MILK yield, MILK composition, feed efficiency, dry matter intake (DMI), body weight and apparent digestibility of organic matter (OM). Five primiparous and five multiparous (n=10) lactating Holstein cows, 85±10 d in MILK were given a total mixed ration of 46: 54 forage: grain ratio (DM basis). SORGHUM grain substituted barley in ratios of 0: 100, 25:75, 50:50, 75:25 and 100:0 in diets 1, 2, 3, 4 and 5, respectively. The results showed significant differences (P<0.05) in many parameters in response to increasing SORGHUM levels. Diet 5 showed higher DMI (20.3 vs. 19.4 kg d-1), daily MILK yield (25.8 vs. 24.8 kg d-1), production of 3.2 % FCM (27.4 vs. 24.7 kg d-1), MILK fat (3.58 vs. 3.02%), fat yield (0.92 vs. 0.75 kg d-1), MILK protein (3.0 vs. 2.7%), protein yield (0.75 vs. 0.67 kg d-1), MILK lactose (4.93 vs. 4.47%) and MILK solids-not-fat (8.58 vs. 8.17%), as compared with diet 1. However, feed efficiency, body weight, and apparent digestibility of organic matter were not affected by any of the treatments (P>0.05). It is concluded that substitution of SORGHUM grain for barley may manipulate rumen metabolism and improves MILK composition.

Cites

EFFECT OF SOWING DATE ON GRAIN YIELD AND ITS COMPONENTS OF THREE SORGHUM CULTIVARS IN KHOUZESTAN

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APA: Copy

MOSHARAF, SH.A.D., GHORBANI, GH.R., ASADIAN, AKBAR, & ALI KHANI, MASOUD. (2000). EFFECTS SUBSTITUTING SORGHUM GRAIN FOR BARLEY ON MILK YIELD AND COMPOSITION OF DAIRY COWS. IRAN AGRICULTURAL RESEARCH, 19(1), 17-28. SID. https://sid.ir/paper/16117/en

Vancouver: Copy

MOSHARAF SH.A.D., GHORBANI GH.R., ASADIAN AKBAR, ALI KHANI MASOUD. EFFECTS SUBSTITUTING SORGHUM GRAIN FOR BARLEY ON MILK YIELD AND COMPOSITION OF DAIRY COWS. IRAN AGRICULTURAL RESEARCH[Internet]. 2000;19(1):17-28. Available from: https://sid.ir/paper/16117/en

IEEE: Copy

SH.A.D. MOSHARAF, GH.R. GHORBANI, AKBAR ASADIAN, and MASOUD ALI KHANI, “EFFECTS SUBSTITUTING SORGHUM GRAIN FOR BARLEY ON MILK YIELD AND COMPOSITION OF DAIRY COWS,” IRAN AGRICULTURAL RESEARCH, vol. 19, no. 1, pp. 17–28, 2000, [Online]. Available: https://sid.ir/paper/16117/en

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