IMPROVEMENT OF MILK QUALITY BY ADDING OF CANOLA SEED IN DAIRY COW DIETS

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MANSOORI HOSSEIN; AGHAZADEH ALI; NAZERADL KAMBIZ

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Seminar Paper

Paper Information

Seminar: INTERNATIONAL CONFERENCE ON AGRICULTURAL ENGINEERING AND NATURAL RESOURCES
Year:2016 | Issue:2

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Title

IMPROVEMENT OF MILK QUALITY BY ADDING OF CANOLA SEED IN DAIRY COW DIETS

Author(s)

MANSOORI HOSSEIN | AGHAZADEH ALI | NAZERADL KAMBIZ

Keywords

CANOLA SEED

FATTY ACID

DAIRY COW

Abstract

THIS STUDY WAS DONE TO EVALUATE THE EFFECTS OF FEEDING CANOLA SEED FOR ENRICHMENT OF UFA AND MILK PERFORMANCE OF EARLY LACTATION DAIRY COWS. TWELVE MULTIPAROUS HOLSTEIN COWS (635.3±18 KG BW AND 36±9 DIM) WERE ASSIGNED TO 1 OF 3 TREATMENTS: 1- CONTROL (CON) WITHOUT CANOLA SEED, 2- 7.5% RAW CANOLA SEED (CUT), AND 3- 7.5% HEAT-TREATED CANOLA SEED (CHT) OF THE TOTAL RATION. DIETS CONTAINED SAME CRUDE PROTEIN, BUT VARIED IN NET ENERGY. DIETS WERE COMPOSED BY BASIS OF CORN SILAGE AND ALFALFA. COWS WERE MILKED TWICE DAILY FOR 4 WK. THE INCLUSION OF CANOLA SEED DID NOT ALTER DM INTAKE, WEIGHT GAIN, OR BODY CONDITION SCORE OF COWS. MILK FAT FROM CHT COWS HAD GREATER PROPORTIONS OF UFA AND MUFA (P<0.05). FEEDING CUT INCREASED PUFA WITHOUT SIGNIFICANT DIFFERENCE. MILK FAT FROM CHT HAD A GREATER PROPORTION OF C18 UFA AND TENDED TO HAVE A HIGHER PROPORTION OF OTHER UFA. FCM MILK YIELDS, MILK FAT AND PROTEIN PERCENTAGES AND TOTAL YIELD OF THESE COMPONENTS WERE SIMILAR BETWEEN TREATMENTS. MILK UREA NITROGEN WAS LOWER IN COWS FED CON AND CHT. FEEDING CANOLA SEED TO LACTATING DAIRY COWS RESULTED IN MILK FAT WITH HIGHER PROPORTIONS OF HEALTHFUL FATTY ACIDS WITHOUT ADVERSE AFFECTING MILK YIELD OR MILK COMPOSITION.

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APA: Copy

MANSOORI, HOSSEIN, AGHAZADEH, ALI, & NAZERADL, KAMBIZ. (2016). IMPROVEMENT OF MILK QUALITY BY ADDING OF CANOLA SEED IN DAIRY COW DIETS. INTERNATIONAL CONFERENCE ON AGRICULTURAL ENGINEERING AND NATURAL RESOURCES. SID. https://sid.ir/paper/909711/en

Vancouver: Copy

MANSOORI HOSSEIN, AGHAZADEH ALI, NAZERADL KAMBIZ. IMPROVEMENT OF MILK QUALITY BY ADDING OF CANOLA SEED IN DAIRY COW DIETS. 2016. Available from: https://sid.ir/paper/909711/en

IEEE: Copy

HOSSEIN MANSOORI, ALI AGHAZADEH, and KAMBIZ NAZERADL, “IMPROVEMENT OF MILK QUALITY BY ADDING OF CANOLA SEED IN DAIRY COW DIETS,” presented at the INTERNATIONAL CONFERENCE ON AGRICULTURAL ENGINEERING AND NATURAL RESOURCES. 2016, [Online]. Available: https://sid.ir/paper/909711/en

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