Effect of Phosphorous and Phosphorous Plus Nitrogen Application on Nutritive Value and In situ Digestion Kinetics of Oat (Evena sativa) Grass in Nili Ravi Buffalo Bulls

IF 0.5 4区生物学 Q4 ZOOLOGY

Pakistan Journal of Zoology Pub Date : 2023-01-01 DOI:10.17582/journal.pjz/20210606100612

N. A. Tauqir

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引用次数: 0

Abstract

Current study was undertaken to investigate the effect of different levels of phosphorous (P) and phosphorous plus nitrogen (NP) fertilizer on nutritive value and in situ digestion kinetics of oat fodder in Nili Ravi buffalo bulls. Four cannulated buffalo bulls were used for in situ screening of oat fodder harvested at 100 days of age sown using different levels of phosphorous and phosphorous plus nitrogen fertilizers. Dry matter (DM) and crude protein (CP) content were higher (p<0.05) in oat fodder supplemented with P and NP fertilizer as compared to control. The supplementation of P fertilizer resulted in decreased NDF and hemicellulose and did not show any effect on ADF content of oat fodder. At 48 h of incubation, in situ digestibility of DM, CP, NDF, ADF and hemicellulose was greater (p<0.05) with medium levels (N20P20 and N25P25) of P and NP fertilizer as compared to control. The extent of DM, CP, NDF, ADF and hemicellulose digestion and rate of degradation was increased in response to P and NP fertilization. However, the lag time of DM, CP, NDF, ADF and hemicellulose of oat fodder was the inverse because it decreased in repose to medium level of P and NP fertilization as compared to control.

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施磷和磷加氮对尼利拉维水牛燕麦草营养价值和原位消化动力学的影响

本试验旨在研究不同水平磷(P)和磷加氮(NP)肥对尼利拉维水牛营养价值和燕麦饲料原位消化动力学的影响。选用4头空心水牛对100日龄收获的燕麦饲料进行原位筛选，分别施用不同水平的磷和磷加氮肥料。添加磷和NP肥的燕麦饲料干物质(DM)和粗蛋白质(CP)含量显著高于对照(p<0.05)。施磷肥降低了NDF和半纤维素含量，对ADF含量无显著影响。培养48 h时，中等水平(N20P20和N25P25) p和NP肥料对DM、CP、NDF、ADF和半纤维素的原位消化率显著高于对照(p<0.05)。P和NP处理显著提高了小麦对DM、CP、NDF、ADF和半纤维素的消化程度和降解速率。但与对照相比，在P、NP水平下，燕麦饲料中DM、CP、NDF、ADF和半纤维素的滞后时间呈反比。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Pakistan Journal of Zoology 生物-动物学

CiteScore

1.10

自引率

16.70%

发文量

306

审稿时长

4.5 months

期刊介绍： Pakistan Journal of Zoology (Pakistan J. Zool.) publishes original articles in English on all aspects of animal life. Generally these articles will be in, or related to one of the following subject areas: Physiology, Cell Biology, Molecular Biology, Genetics, Bioinformatics, Toxicology, Forensic Science, Developmental Biology, Entomology, Parasitology, Microbiology, Biotechnology, Pathology, Palaeontology. Taxonomy, Environmental Biology, Wildlife, Fisheries, Vertebrate and Invertebrate Morphology. Additionally, the journal considers research on health and clinical studies. Short communications are regularly considered, however, uninvited review articles, first records/reports of known species, case reports/studies and survey reports are not published in Pakistan Journal of Zoology.