Journals / Kafkas Üniversitesi Veteriner Fakültesi Dergisi / 2019 / Cilt: 25 - Sayı: 4

Effects of Exogenous Amylase in Transition Dairy Cows Fed LowStarch Diets: 1. Lactation Performance

Düşük Nişastalı Rasyonlarla Beslenen Geçiş Dönemindeki İneklerde Amilaz Enziminin Etkisi: 1. Laktasyon Performansı

Pages
523–530
Publication Date
2022-10-17
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Fat-, solid-, and energy-corrected milk feed conversions (kg/kg DMI) were 5 to 6% greater for cows fed amylase diet than for cows fed control diet (P

📌 3 Key Takeaways

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Objective & Hypothesis:The objective of this trial was to determine the effect of exogenous amylase during the transition period in dairy cows on dry matter intake and lactation performance.
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Key Findings & Data:The effect of exogenous amylase supplementation on lactation diets with low starch concentration (19.5% of dry matter) and dry period diets with moderate starch concentration (15.5% of dry matter) was evaluated.
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Conclusion & Impact:Fat-, solid-, and energy-corrected milk feed conversions (kg/kg DMI) were 5 to 6% greater for cows fed amylase diet than for cows fed control diet (P
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

The objective of this trial was to determine the effect of exogenous amylase during the transition period in dairy cows on dry matter intake and lactation performance. The effect of exogenous amylase supplementation on lactation diets with low starch concentration (19.5% of dry matter) and dry period diets with moderate starch concentration (15.5% of dry matter) was evaluated. A total of 30 multiparus Holstein cows were randomly assigned to two groups fed diets with (n=15) or without amylase (n=15). Treatments were granular amylase (0.5 g of Ronozyme RumiStar per kg of total mixed ration dry matter) or control. The research was conducted starting at 21 d prepartum until 84 d postpartum. Starch and neutral detergent fiber concentrations averaged 15.5±0.5% and 15.7±0.9%, 42.6±1.1% and 43.4±1.2% in close up diets and 19.8±2.9% and 19.4±0.5%, 33.6±0.8% and 34.2±0.6% in lactation diets for control and amylase, respectively. Dry matter intake, milk yield and composition were evaluated for differences between treatments. Postpartum intakes of dry matter (DMI) and organic matter (OM), neutral detergent fiber (NDF), crude protein (CP), and starch intake were unaffected by treatment. Milk yield was not influenced by treatment, but numerically greater by 2.0 kg/d for cows fed amylase compared with control diet. The percentages of milk fat, protein and lactose were not impressed by treatment, however fat-, solid-, and energy-corrected milk were 2 kg/d greater for cows fed amylase diet than for cows fed control diet. Fat-, solid-, and energy-corrected milk feed conversions (kg/kg DMI) were 5 to 6% greater for cows fed amylase diet than for cows fed control diet (P

Özet

Bu araştırmanın amacı geçiş dönemindeki ineklerin rasyonlarına amilaz enzimi ilavesinin kuru madde tüketimi ve laktasyon performansı üzerine etkisini incelemektir. Rasyonların nişasta düzeyi kuru madde esasına göre kuru dönemdeki hayvanlar için %15.5, laktasyon dönemindekiler için ise %19.5 olarak tespit edildi. Araştırmada birden fazla doğum yapmış 30 baş siyah alaca ırkı inekler rastgele amilaz (n=15) ve kontrol (n=15) gruplarına dağıtıldı. Araştırma kontrol ve amilaz (0.5 g Ronozyme RumiStar/kg toplam karma rasyon kuru madde) grupları şeklinde oluşturuldu. Deneme doğumdan önceki 21 gün ile doğumdan sonraki 84. günler arasında yürütüldü. Kuruda bulunan kontrol ve amilaz grubundaki rasyonların nişasta ve nötral deterjant fiber (NDF) içerikleri sırasıyla %15.5±0.5 ve %15.7±0.9 ile %42.6±1.1 ve %43.4±1.2 iken laktasyondakilerde ise %19.8±2.9 ve %19.4±0.5 ile %33.6±0.8 and %34.2±0.6 arasında tespit edildi. Doğum sonrası kuru madde tüketimi, organic madde, NDF, ham protein, nişasta düzeyleri bakımından gruplar arasında bir farklılık bulunmamıştır. Süt verimi uygulamadan etkilenmedi ancak sayısal olarak amilaz ile beslenen ineklerde 2 kg/ gün daha fazla süt elde edildi. Süt yağı, proteini ve laktoz düzeyleri denemeden etkilenmedi, ancak yağa, katı maddeye ve enerjiye gore düzeltilmiş süt verimleri amilaz ile beslenen ineklerde 2 kg/gün daha fazla süt üretildi. Yağa, katı maddeye ve enerjiye gore düzeltilmiş süt verimlerinin yeme dönüşüm oranları (kg/kg kuru madde tüketimi) amilaz ile beslenen ineklerde kontrol grubuna gore %5-6 daha yüksek bulundu. Sonuç olarak düşük nişasta içeriğine sahip rasyonlarla beslenen geçiş dönemindeki ineklerde amilaz enzimi ilavesinin yemden yararlanmayı iyileştirdiği, süt veriminde potansiyal bir artış sağlayabileceği; ancak kuru madde tüketimini etkilemediği tespiti yapılmıştır.

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Cite This Article

ÇETİN, İ., GENÇOĞLU, H., KARA, Ç., EFİL, M. M., SHAVER, R. D., ŞEN, E., ALTAŞ, T., ORMAN, A., MERAL, Y., KOVANLIKAYA, E. (2022). Effects of Exogenous Amylase in Transition Dairy Cows Fed LowStarch Diets: 1. Lactation Performance. Kafkas Üniversitesi Veteriner Fakültesi Dergisi, Cilt: 25 - Sayı: 4, 523–530. https://ajindex.com/articles/569943

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References (1)

  1. Nafikov RA, Beitz DC: Carbohydrate and lipid metabolism in farm animals. J Nutr, 137 (3): 702-705, 2007. DOI: 10.1093/jn/137.3.702 2. NRC: Nutrients Requirements of Dairy Cattle. 7th rev. ed., National Academy Press Washington, DC, USA; 2001. 3. Gencoglu H, Shaver RD, Steinberg W, Ensink J, Ferraretto LF, Bertics SJ, Lopes JC, Akins MS: Effect of feeding a reduced-starch diet with or without amylase addition on lactation performance in dairy cows. J Dairy Sci, 93 (2): 723-732, 2010. DOI: 10.3168/jds.2009-2673 4. Cetin I, Turkmen II, Kara C, Orman A, Sen E: Improved lactational performance in dairy cows supplemented with methionine or rumenprotected choline during the transition period. Kafkas Univ Vet Fak, 24 (2): 289-293, 2018. DOI: 10.9775/kvfd.2017.18854 5. Kovacevic Z, Cincovic MR, Stojanovic D, Belic B, Jezdimirovic M, Djokovic R, Davidov I: Influence of ketoprofen application on lipid mobilization, ketogenesis and metabolic status in cows during early lactation. Kafkas Univ Vet Fak, 22 (1): 7-12, 2016. DOI: 10.9775/ kvfd.2015.13479 6. Firkins JL, Eastridge ML, St-Pierre NR, Noftsger SM: Effects of grain variability and processing on starch utilization by lactating dairy cattle. J Anim Sci, 79 (Suppl E): E218-E238, 2001. DOI: 10.2527/jas2001.79ESupplE218x 7. Ferraretto LF, Crump PM, Shaver RD: Effect of cereal grain type and corn grain harvesting and processing methods on intake, digestion, and milk production by dairy cows through a meta-analysis. J Dairy Sci, 96, 533-550, 2013. DOI: 10.3168/jds.2012-5932 8. Ferraretto LF, Shaver RD: Meta-analysis: Effect of corn silage harvest practices on intake, digestion, and milk production by dairy cows. Prof Anim Sci, 28 (2): 141-149, 2012. DOI: 10.15232/S1080-7446(15)30334-X 9. Hristov AN, McAllister TA, Cheng KJ: Stability of exogenous polysaccharide-degrading enzymes in the rumen. Anim Feed Sci Technol, 76 (1-2): 161–168, 1998. DOI: 10.1016/S0377-8401(98)00217-X 10. Klingerman CM, Hu W, McDonell EE, Der Bedrosian MC, Kung L: An evaluation of exogenous enzymes with amylolytic activity for dairy cows. J Dairy Sci, 92 (3): 1050-1059, 2009. DOI: 10.3168/jds.2008-1339 11. DiLorenzo N, Smith DR, Quinn MJ, May ML, Ponce CH, Steinberg W, Engstrom MA, Galyean ML: Effects of grain processing and supplementation with exogenous amylase on nutrient digestibility in feedlot diets. Livest Sci, 137 (1-3): 178-184, 2011. DOI: 10.1016/j. livsci.2010.11.003 12. Ferraretto LF, Shaver RD, Espineira M, Gencoglu H, Bertics SJ: