نتایج جستجو برای: 16 and 958 d daily dmi

تعداد نتایج: 16963041  

M. Souri R. Mirmahmoudi,

Ten male Merghoz goats with initial live weights of 29.2 ± 1.2 kg (Mean±SE) were used to investigate the effect of natural changes in photoperiod on dry matter intake (DMI) and reproductive activity during a 365 day study. The bucks were housed in individual pens, under natural daylength condition at west of Iran, Kermanshah (34˚ 18¢N and 47˚ 3¢E and 1420 m above sea level). A diet was offered ...

Journal: :Journal of animal science 2007
R S Hegarty J P Goopy R M Herd B McCorkell

Seventy-six Angus steers chosen from breeding lines divergently selected for residual feed intake (RFI) were studied to quantify the relationship between RFI and the daily rate of methane production (MPR). A 70-d feeding test using a barley-based ration was conducted in which the voluntary DMI, feeding characteristics, and BW of steers were monitored. The estimated breeding value (EBV) for RFI ...

Journal: :Frontiers in animal science 2021

Effects of the investigational methane (CH 4 ) inhibitor 3-nitrooxypropanol (3-NOP) on animal performance, health and enteric CH production beef cattle were evaluated in a commercial feedlot. Two concurrent studies conducted: large pen study (4,048 cattle, eight replicates per experimental group) to measure performance small (a subset 50 from study, n = 25 emissions. Within animals (body weight...

Journal: :Journal of Animal Science 2022

Abstract Condensed tannins are theorized to reduce enteric methane emissions by enhancing protein efficiency and decreasing ruminal fiber fermentation in ruminant animals. The objective of this study was assess the viability supplemented condensed fed at increasing levels: 0% (CON), 0.075% (LOW), 0.15% (MED), 0.30% (HIG) dry matter intake (DMI). acclimation utilized 24 organic Holstein heifers,...

F. Fatahnia H.R. Mirzaei Alamouti R. Masoumi S. Menatian,

To determine the value of pre-pubertal plan of nutrition on reproductive performance, hormonal concentrations and milk production in ewe lambs, a total of 40 clinically health Kurdish female lambs (30±8.6 d and weighing 10.2±3.4 kg) were randomly allocated to one of two experimental diets in pre-weaning period: high quality diet (HQD) (HQD, 2.50 Mcal ME/kg dry matter (DM) and 148 g CP/kg DM) or...

Journal: :Journal of animal science 2010
D B Araujo R F Cooke G R Hansen C R Staples J D Arthington

Two experiments were conducted to evaluate the effects of rumen-protected PUFA supplementation on performance and inflammation measures in beef calves after truck transportation and feedyard entry. In Exp. 1, 30 weaned Braford steers (BW = 218 ± 4.3 kg) were transported for 1,600 km over a 24-h period in a commercial trailer and delivered to a feedlot (d 0). Upon arrival (d 1), steers were stra...

Journal: :iranian journal of applied animal science 2015
m. souri r. mirmahmoudi

ten male merghoz goats with initial live weights of 29.2 ± 1.2 kg (mean±se) were used to investigate the effect of natural changes in photoperiod on dry matter intake (dmi) and reproductive activity during a 365 day study. the bucks were housed in individual pens, under natural daylength condition at west of iran, kermanshah (34˚ 18¢n and 47˚ 3¢e and 1420 m above sea level). a diet was offered ...

2016
T. W. Loy J. C. Macdonald Terry Klopfenstein Galen E. Erickson G. E. Erickson

Ten ruminally cannulated heifers (BW = 416 kg; SD = 24) were used to test the effect of the form and frequency of supplemental energy on forage DMI and digestibility. Five treatments were arranged in a replicated, 5 × 4 Latin rectangle (n = 8), and included no supplement (control), dry-rolled corn (DRC) fed daily, DRC fed on alternate days (DRC-A), dried distillers grains plus solubles (DDGS) f...

2015
M. D. FRASER H. R. FLEMING V. J. THEOBALD J. M. MOORBY

To investigate the extent to which enteric methane (CH4) emissions from growing lambs are explained by simple body weight and diet characteristics, a 2 × 2 Latin square changeover design experiment was carried out using two sheep breeds and two fresh pasture types. Weaned lambs of two contrasting breed types were used: Welsh Mountain (WM, a small, hardy hill breed) and Welsh Mule × Texel (TexX,...

Journal: :The British journal of nutrition 2014
N M Wheadon M McGee G R Edwards R J Dewhurst

Fractionation of N isotopes occurs in many metabolic reactions which causes tissue proteins to become enriched in ¹⁵N while urea (urine) is depleted in ¹⁵N relative to the diet. We investigated ¹⁵N enrichment of whole plasma and its relationship with feed conversion efficiency (FCE) in growing beef heifers (n 84) offered 2 kg/d of concentrates with grass silage ad libitum. Heifers were on avera...

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