Effect of rice straw treatment on feed intake, rumen fermentation and milk production in lactating dairy cows

Wanapat, Metha; Kang, Sungchhang; Hankla, N.; Phesatcha, Kampanat

doi:10.5897/ajar2013.6732

Cited by 28 publications

(14 citation statements)

References 28 publications

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“…Crabtree-negative or -positive yeast has no effect on the dry matter intake (DMI). Our results showed that the DMI (range from 2.6 to 2.8 %BW) was similar to previous experiments, which is that feeding separate ensiled RS with a concentrate diet to dairy cows creates a DMI range from 2.5 to 3.2 %BW 42,43 . Generally, the amount of RS that an animal intakes daily is limited to around 2.0 % BW or less BW 44 .…”

Section: Feed Intake Nutrient Intake and Nutrient Apparent Digestibsupporting

confidence: 90%

Effects of Ruminal Crabtree-negative Yeast Ensiled Rice Straw on Feed Intake, Rumen Fermentation, and Performance in Tropical Crossbred Lactating Holstein Cows

Suntara

Cherdthong

Uriyapongson

et al. 2021

Preprint

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This research aimed to determine the effects of ruminal Crabtree-negative yeast ensiled rice straw (RS) on feed intake, ruminal fermentation, milk production, and milk composition in tropical crossbred lactating Holstein cows. This study used 6 multiparous crossbreds between Holstein Frisian × Zebu dairy cows in their mid-lactation period (165.5 ± 44.0 of day-in-milk) with an initial body weight of 363.9 ± 55.80 kg (average milk yield 8.58 kg/d). Dairy cows were randomly allocated to three ensiled RS with various yeast species including S. cerevisiae, P. kudriavzevii KKU20, and C. tropicalis KKU20 according to a 3 × 3 replicated Latin square design. The ruminal yeasts were obtained by isolating, screening, and identifying the rumen of crossbred Thai-Holstein Friesian dairy cattle. The yeast species did not change the RS intake, concentrate diet, and total intake (P > 0.05). Crabtree-negative yeast (P. kudriavzevii and C. tropicalis) increased the apparent digestibility of dry matter by about 6.9% when compare with Crabtree-positive yeast (S. cerevisiae). Rumen pH and ammonia-nitrogen concentration were not changed among yeast species (P > 0.05). The bacterial populations at both 0 hours and 4 hours after feeding and the mean value were highest (P < 0.05) with ensiled RS with C. tropicalis KKU20. Ensiled RS with P. kudriavzevii KKU20 and C. tropicalis KKU20 were significantly increased with a total volatile fatty acids (VFAs) at 0 and 4 hours after feeding (P < 0.05) when compared with S. cerevisiae, whereas yeasts ensiled RS had no effect on the VFAs’ profile (P > 0.05). The yeast strains’ effects were not observed (P > 0.05) on actual milk yields. The treatments did not alter the milk composition (P > 0.05); except for when the protein in the milk was highest in the C. tropicalis KKU20 fed group. In conclusion, C. tropicalis KKU20 could enhance the RS’s nutrition value through increasing digestibility, the ruminal bacterial population, and total VFAs as well as could increase the milk protein.

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Section: Feed Intake Nutrient Intake and Nutrient Apparent Digestibsupporting

confidence: 90%

Effects of Ruminal Crabtree-negative Yeast Ensiled Rice Straw on Feed Intake, Rumen Fermentation, and Performance in Tropical Crossbred Lactating Holstein Cows

Suntara

Cherdthong

Uriyapongson

et al. 2021

Preprint

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“…The latter results emphasize that pelleting TMR for lactating cows can be detrimental and reinforces the need to account for physically effective NDF during diet formulation. Additional trials examining replacement of concentrates or mixtures of Kung and Huber, 1983;Brown et al, 1990;Kendall et al, 2009 Urea Leaver and Hill, 1995;Hameleers, 1998;Prasad et al, 1998;Wanapat et al, 2009Wanapat et al, , 2013Mapato et al, 2010 Ammonia-fiber expansion Caution is needed when comparing the data because different forages or TMR proportions and components were treated with the technologies in the studies. These effects were associated with greater kernel breakage and starch digestibility for shredlage than conventionally processed corn.…”

Section: Mechanical Processingmentioning

confidence: 99%

Symposium review: Technologies for improving fiber utilization

Adesogan

Arriola

Jiang

et al. 2019

Journal of Dairy Science

109

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The forage lignocellulosic complex is one of the greatest limitations to utilization of the nutrients and energy in fiber. Consequently, several technologies have been developed to increase forage fiber utilization by dairy cows. Physical or mechanical processing techniques reduce forage particle size and gut fill and thereby increase intake. Such techniques increase the surface area for microbial colonization and may increase fiber utilization. Genetic technologies such as brown midrib mutants (BMR) with less lignin have been among the most repeatable and practical strategies to increase fiber utilization. Newer BMR corn hybrids are better yielding than the early hybrids and recent brachytic dwarf BMR sorghum hybrids avoid lodging problems of early hybrids. Several alkalis have been effective at increasing fiber digestibility. Among these, ammoniation has the added benefit of increasing the nitrogen concentration of the forage. However, few of these have been widely adopted due to the cost and the caustic nature of the chemicals. Urea treatment is more benign but requires sufficient urease and moisture for efficacy. Ammonia-fiber expansion technology uses high temperature, moisture, and pressure to degrade lignocellulose to a greater extent than ammoniation alone, but it occurs in reactors and is therefore not currently usable on farms. Biological technologies for increasing fiber utilization such as application of exogenous fibrolytic enzymes, live yeasts, and yeast culture have had equivocal effects on forage fiber digestion in individual studies, but recent meta-analyses indicate that their overall effects are positive. Nonhydrolytic expansinlike proteins act in synergy with fibrolytic enzymes to increase fiber digestion beyond that achieved by the enzyme alone due to their ability to expand cellulose microfibrils allowing greater enzyme penetration of the cell wall matrix. White-rot fungi are perhaps the biological agents with the greatest potential for lignocellulose deconstruction, but they require aerobic conditions and several strains degrade easily digestible carbohydrates. Less ruminant nutrition research has been conducted on brown rot fungi that deconstruct lignocellulose by generating highly destructive hydroxyl radicals via the Fenton reaction. More research is needed to increase the repeatability, efficacy, cost effectiveness, and onfarm applicability of technologies for increasing fiber utilization.

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“…Penambahan dengan urea paling umum digunakan untuk peningkatan nilai nutrisi pada pakan basal dengan kualitas rendah karena penanganannya sederhana, risiko rendah, mudah didapat dan harganya murah (Caneque et al, 1998;Yin et al, 2010;Ahmed and Babiker, 2015). Wanapat et al (2013) menunjukkan bahwa perlakuan jerami padi dengan menggunakan kombinasi 2% Urea-kapur atau 3% urea tunggal mampu meningkatkan asupan bahan kering, kecernaan nutrien, ekologi rumen dan produksi susu pada sapi perah Holstein crossbred. Khampa et al (2006) menyatakan bahwa kombinasi konsentrat yang mengandung cacahan singkong (cassava) (DM 75%) dengan urea 4% dan ditambah dengan sodium Dl-malate 20 g/hari mampu meningkatkan ekologi rumen dan sintesis protein mikroba dalam rumen sapi Friesian-Holstein crossbred laktasi pertama.…”

Section: Peran Urea Dalam Pening-katan Nilai Nutrisiunclassified

Urea : Manfaat Pada Ruminansia

Yanuartono¹,

Nururrozi²,

Indarjulianto³

et al. 2018

JIIP

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ABSTRAK:Masalah pemberian pakan pada ruminansia telah mendapat banyak perhatian di daerah tropis. Sebagian besar ruminansia mendapatkan pakan jerami berkualitas rendah, limbah tanaman pertanian dan industri. Saat ini urea telah banyak tersedia dan digunakan sebagai sumber amonia untuk memperbaiki nilai nutrisi dari berbagai macam hijauan serta limbah tanaman. Lebih lanjut, penambahan urea sebagai suplemen relatif mudah penanganannya untuk diaplikasikan, murah dan bermanfaat sebagai pengganti protein alami dalam ransum. Meskipun penggunaan urea sebagai suplemen pakan memiliki potensi keuntungan ekonomi sebagai sumber N, namun memiliki kelemahan dan keterbatasan pada penggunaannya. Pemberian urea yang berlebihan, pencampuran dalam pakan yang tidak merata atau kesalahan dalam penghitungan jumlah urea ke dalam ransum akan akan dapat mengakibatkan keracunan pada ternak. Makalah ini bertujuan untuk meringkas manfaat dan kemungkinan efek negatif penggunaan urea sebagai suplemen pakan ruminansia. Kata kunci: ruminansia, jerami, urea, suplemen, keracunanABSTRACT: The problems of ruminant feeding have received considerable attention in the tropics. Most ruminants are fed on low-quality roughages, agricultural crop-residues and industrial byproducts. Urea is widely available and has been used as a source of ammoniation to improve the feeding value of various grasses and crop residues. Furthermore, urea treatment as a supplement is relatively easy to apply, handling, inexpensive and valuable substitute for natural proteins in the ration. Although the use of urea has potential economic advantages for N sources, there are limitations and disadvantages to its use. Excess level of urea may a problem of urea toxicity, due to poor mixing of feed or to errors in calculating the amount of urea to add to the ration. This paper aims to summarize the benefits and possible negative effects of urea use as supplement to ruminants feed.

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Effect of rice straw treatment on feed intake, rumen fermentation and milk production in lactating dairy cows

Cited by 28 publications

References 28 publications

Effects of Ruminal Crabtree-negative Yeast Ensiled Rice Straw on Feed Intake, Rumen Fermentation, and Performance in Tropical Crossbred Lactating Holstein Cows

Effects of Ruminal Crabtree-negative Yeast Ensiled Rice Straw on Feed Intake, Rumen Fermentation, and Performance in Tropical Crossbred Lactating Holstein Cows

Symposium review: Technologies for improving fiber utilization

Urea : Manfaat Pada Ruminansia

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