Fermented Rubber Seed Kernel with Yeast in the Diets of Tropical Lactating Dairy Cows: Effects on Feed Intake, Hematology, Microbial Protein Synthesis, Milk Yield and Milk Composition

The objective of the present study was to analyze the effects of yeast-fermented rubber seed kernels (YERSEK) on the feed intake, hematology, microbial protein synthesis, milk yield, and milk composition in dairy cows. Six crossbred Holstein Friesian (HF) × Thai lactating dairy cows with 110 ± 10 da...

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Main Authors: Thanaporn Ouppamong, Nirawan Gunun, Chayapol Tamkhonburee, Pichad Khejornsart, Chatchai Kaewpila, Piyawit Kesorn, Thachawech Kimprasit, Anusorn Cherdthong, Metha Wanapat, Sineenart Polyorach, Suban Foiklang, Pongsatorn Gunun
Format: Article
Language:English
Published: MDPI AG 2022-07-01
Series:Veterinary Sciences
Subjects:
Online Access:https://www.mdpi.com/2306-7381/9/7/360
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author Thanaporn Ouppamong
Nirawan Gunun
Chayapol Tamkhonburee
Pichad Khejornsart
Chatchai Kaewpila
Piyawit Kesorn
Thachawech Kimprasit
Anusorn Cherdthong
Metha Wanapat
Sineenart Polyorach
Suban Foiklang
Pongsatorn Gunun
author_facet Thanaporn Ouppamong
Nirawan Gunun
Chayapol Tamkhonburee
Pichad Khejornsart
Chatchai Kaewpila
Piyawit Kesorn
Thachawech Kimprasit
Anusorn Cherdthong
Metha Wanapat
Sineenart Polyorach
Suban Foiklang
Pongsatorn Gunun
author_sort Thanaporn Ouppamong
collection DOAJ
description The objective of the present study was to analyze the effects of yeast-fermented rubber seed kernels (YERSEK) on the feed intake, hematology, microbial protein synthesis, milk yield, and milk composition in dairy cows. Six crossbred Holstein Friesian (HF) × Thai lactating dairy cows with 110 ± 10 days in milk were randomly assigned to three different amounts of YERSEK at 0%, 10%, and 20% in a concentrate mixture using a 3 × 3 repeated Latin square design. Cows were fed with concentrate diets at a concentrate-to-milk yield ratio of 1:1.5, with rice straw fed ad libitum. The inclusion of YERSEK did not adversely affect feed intake, nutrient intake, or digestibility (<i>p</i> > 0.05), whereas ether extract intake and digestibility linearly increased in dairy cows receiving YERSEK (<i>p</i> < 0.01). Increasing YERSEK levels did not adversely affect blood urea nitrogen (BUN) levels, hematological parameters, or microbial protein synthesis (<i>p</i> > 0.05). Supplementation of YERSEK did not influence milk production, lactose, or protein levels (<i>p</i> > 0.05). However, milk fat and total solids decreased linearly (<i>p</i> < 0.05) with the addition of YERSEK. In conclusion, in a concentrate diet, YERSEK could be used as a protein source without negative effects on feed intake, digestibility, hematology, microbial protein synthesis, or milk yield. However, it reduced the milk fat and total solids of tropical lactating dairy cows.
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spelling doaj.art-435866929b034bfc899ca9ceef835a6a2023-12-01T22:47:52ZengMDPI AGVeterinary Sciences2306-73812022-07-019736010.3390/vetsci9070360Fermented Rubber Seed Kernel with Yeast in the Diets of Tropical Lactating Dairy Cows: Effects on Feed Intake, Hematology, Microbial Protein Synthesis, Milk Yield and Milk CompositionThanaporn Ouppamong0Nirawan Gunun1Chayapol Tamkhonburee2Pichad Khejornsart3Chatchai Kaewpila4Piyawit Kesorn5Thachawech Kimprasit6Anusorn Cherdthong7Metha Wanapat8Sineenart Polyorach9Suban Foiklang10Pongsatorn Gunun11Department of Animal Science, Faculty of Natural Resources, Rajamangala University of Technology Isan, Sakon Nakhon Campus, Phangkhon, Sakon Nakhon 47160, ThailandDepartment of Animal Science, Faculty of Technology, Udon Thani Rajabhat University, Udon Thani 41000, ThailandDairy Farming Promotion Organization of Thailand (DPO), Northeast Region, Khon Kaen 40260, ThailandFaculty of Natural Resources and Agro-Industry, Kasetsart University Chalermphrakiat Sakon Nakhon, Province Campus, Sakon Nakhon 47000, ThailandDepartment of Animal Science, Faculty of Natural Resources, Rajamangala University of Technology Isan, Sakon Nakhon Campus, Phangkhon, Sakon Nakhon 47160, ThailandDepartment of Animal Science, Faculty of Natural Resources, Rajamangala University of Technology Isan, Sakon Nakhon Campus, Phangkhon, Sakon Nakhon 47160, ThailandDepartment of Animal Science, Faculty of Natural Resources, Rajamangala University of Technology Isan, Sakon Nakhon Campus, Phangkhon, Sakon Nakhon 47160, ThailandTropical Feed Resources Research and Development Center (TROFREC), Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, ThailandTropical Feed Resources Research and Development Center (TROFREC), Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, ThailandDepartment of Animal Production Technology and Fisheries, Faculty of Agricultural Technology, King Mongkut’s Institute of Technology Ladkrabang, Bangkok 10520, ThailandFaculty of Animal Science and Technology, Maejo University, Chiang Mai 50290, ThailandDepartment of Animal Science, Faculty of Natural Resources, Rajamangala University of Technology Isan, Sakon Nakhon Campus, Phangkhon, Sakon Nakhon 47160, ThailandThe objective of the present study was to analyze the effects of yeast-fermented rubber seed kernels (YERSEK) on the feed intake, hematology, microbial protein synthesis, milk yield, and milk composition in dairy cows. Six crossbred Holstein Friesian (HF) × Thai lactating dairy cows with 110 ± 10 days in milk were randomly assigned to three different amounts of YERSEK at 0%, 10%, and 20% in a concentrate mixture using a 3 × 3 repeated Latin square design. Cows were fed with concentrate diets at a concentrate-to-milk yield ratio of 1:1.5, with rice straw fed ad libitum. The inclusion of YERSEK did not adversely affect feed intake, nutrient intake, or digestibility (<i>p</i> > 0.05), whereas ether extract intake and digestibility linearly increased in dairy cows receiving YERSEK (<i>p</i> < 0.01). Increasing YERSEK levels did not adversely affect blood urea nitrogen (BUN) levels, hematological parameters, or microbial protein synthesis (<i>p</i> > 0.05). Supplementation of YERSEK did not influence milk production, lactose, or protein levels (<i>p</i> > 0.05). However, milk fat and total solids decreased linearly (<i>p</i> < 0.05) with the addition of YERSEK. In conclusion, in a concentrate diet, YERSEK could be used as a protein source without negative effects on feed intake, digestibility, hematology, microbial protein synthesis, or milk yield. However, it reduced the milk fat and total solids of tropical lactating dairy cows.https://www.mdpi.com/2306-7381/9/7/360rubber seed kernelyeast-fermented productmicrobial protein synthesismilk qualitydairy cows
spellingShingle Thanaporn Ouppamong
Nirawan Gunun
Chayapol Tamkhonburee
Pichad Khejornsart
Chatchai Kaewpila
Piyawit Kesorn
Thachawech Kimprasit
Anusorn Cherdthong
Metha Wanapat
Sineenart Polyorach
Suban Foiklang
Pongsatorn Gunun
Fermented Rubber Seed Kernel with Yeast in the Diets of Tropical Lactating Dairy Cows: Effects on Feed Intake, Hematology, Microbial Protein Synthesis, Milk Yield and Milk Composition
Veterinary Sciences
rubber seed kernel
yeast-fermented product
microbial protein synthesis
milk quality
dairy cows
title Fermented Rubber Seed Kernel with Yeast in the Diets of Tropical Lactating Dairy Cows: Effects on Feed Intake, Hematology, Microbial Protein Synthesis, Milk Yield and Milk Composition
title_full Fermented Rubber Seed Kernel with Yeast in the Diets of Tropical Lactating Dairy Cows: Effects on Feed Intake, Hematology, Microbial Protein Synthesis, Milk Yield and Milk Composition
title_fullStr Fermented Rubber Seed Kernel with Yeast in the Diets of Tropical Lactating Dairy Cows: Effects on Feed Intake, Hematology, Microbial Protein Synthesis, Milk Yield and Milk Composition
title_full_unstemmed Fermented Rubber Seed Kernel with Yeast in the Diets of Tropical Lactating Dairy Cows: Effects on Feed Intake, Hematology, Microbial Protein Synthesis, Milk Yield and Milk Composition
title_short Fermented Rubber Seed Kernel with Yeast in the Diets of Tropical Lactating Dairy Cows: Effects on Feed Intake, Hematology, Microbial Protein Synthesis, Milk Yield and Milk Composition
title_sort fermented rubber seed kernel with yeast in the diets of tropical lactating dairy cows effects on feed intake hematology microbial protein synthesis milk yield and milk composition
topic rubber seed kernel
yeast-fermented product
microbial protein synthesis
milk quality
dairy cows
url https://www.mdpi.com/2306-7381/9/7/360
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