Influence of Different Cutting Dates on Cornell Net Carbohydrate and Protein System (CNCPS) Parameters and the Fatty Acid Compositons of Caramba Hay (Lolium multiflorum cv. caramba)

Muazzez Cömert Acar,Hulya Özelçam,Bülent Budak,Yilmaz Şayan

doi:10.15832/ankutbd.422710

Abstract

The aim of the study was to determine the influence of different cutting dates on Cornell Net Carbohydrate and Protein System (CNCPS) parameters and the fatty acid (FAs) compositons of caramba hay (Lolium multiflorum cv caramba). The samples were taken from the five randomized plots at the three different cuts (first cut:before blossom, second cut:blossom 50%, and third cut:after blossom). The samples were analyzed including the crude protein (CP), ether extract (EE), CP fractions (A= NPN, B1= fast, B2= intermediate, B3= slow and C= not fermented and available for the animal), degradable intake protein (DIP), undegradable intake protein (UIP) and the FAs compositions (C14:0, C16:0, C18:0, C18:1, C18:2 and C18:3). The CP, EE and A1 fraction were negatively affected by the different cutting dates (P 0.05). A positive strong linear relation was found between the C18:3 and CP contents in caramba hay (R2= 0.769, P<0.001). The study showed that CP, soluble protein (A+B1 fraction) and C18:3 were significantly decreased, the other crude protein fractions (B2, B3 and C) and other major FAs (C16:0 and C18:2) were increased by growing stage.

Highlights

Caramba (Lolium multiflorum, cv. caramba) which is a perennial forage grass, is rich especially protein, minerals and water-soluble carbohydrate content
The objective of the study was to investigate the influence of three cutting dates on Cornell Net Carbohydrate and Protein System (CNCPS) parameters and the fatty acids (FAs) compositons of caramba hay
The first cut had the highest crude protein (CP) content of caramba hay compared to the other cuts (P

Summary

Introduction

Caramba (Lolium multiflorum, cv. caramba) which is a perennial forage grass, is rich especially protein, minerals and water-soluble carbohydrate content. Caramba) which is a perennial forage grass, is rich especially protein, minerals and water-soluble carbohydrate content. Further its stem does not mature quickly until the time of harvest (Dewhurst et al 2001). In recent years it is stated that caramba is quite well adapted to Turkey climate and soil condition, so caramba has been recognized as potential forage for ruminant animals (Özelçam et al 2015). The livestock breeding in Turkey is largely based on pasture. Because of agricultural mechanization, total range or pasture areas of Turkey have been drastically reduced (Kusvuran & Tansı 2011). Influence of Different Cutting Dates on Cornell Net Carbohydrate and Protein System (CNCPS) Parameters..., Acar et al

Objectives

Methods

Results