Influence of fibrolytic enzymes in total mixed ration containing urea‐molasses‐treated sugarcane bagasse on the performance of lactating Holstein–Friesian crossbred cows

2021 ◽  
Vol 92 (1) ◽  
Author(s):  
Ratchataporn Lunsin ◽  
Ruangyote Pilajun ◽  
Anusorn Cherdthong ◽  
Metha Wanapat ◽  
Somporn Duanyai ◽  
...  
2017 ◽  
Vol 10 (3) ◽  
pp. 281-285
Author(s):  
Pravin Mohan Lunagariya ◽  
Ram Sharan Gupta ◽  
Subhash Parnerkar

Author(s):  
V. Praveen ◽  
M. Narayana Swamy ◽  
G.P. Kalmath ◽  
H.S. Shwetha ◽  
M.K. Vinuthan ◽  
...  

2018 ◽  
Vol 183 (21) ◽  
pp. 655-655
Author(s):  
Mark W Little ◽  
Gareth A Arnott ◽  
Michael D Welsh ◽  
Jason P Barley ◽  
Niamh E O' Connell ◽  
...  

Seventy-two Holstein-Friesian dairy cows were offered the same amount of concentrates over the first 140 days of lactation, by either a ‘total-mixed-ration’ or a ‘feed-to-yield’ strategy. The effects on blood profiles and cow health were examined. Cows on total-mixed-ration were offered a mixed ration comprising grass silage and concentrates (50:50 dry matter basis). Cows on feed-to-yield were offered a basal mixed ration (grass silage plus 6 kg concentrates/cow/day) plus additional concentrates via an out-of-parlour feeding system, calculated according to each individual cow’s milk yield during the previous week. Cows on total-mixed-ration had a higher mean haemoglobin, packed cell volume and lymphocyte percentage. Concentrate allocation strategy had no effect on serum haptoglobin concentrations, interferon-gamma production of pokeweed mitogen-stimulated whole blood culture, the incidence of clinical or subclinical mastitis, lameness, respiratory or digestive problems and no strong relationships were identified between production parameters with serum metabolites, inflammatory and immune measures. This study demonstrates small physiological differences in metabolic parameters, and no differences in inflammatory or immune parameters, when allocating concentrates by total-mixed-ration or feed-to-yield.


2020 ◽  
Vol 3 (4) ◽  
pp. 3590-3603
Author(s):  
Fábio Martins Oliveira ◽  
Mauro Pereira de Figueiredo ◽  
Fernando Salgado Bernardino ◽  
Cléia Gomes Vieira e Silva ◽  
João Paulo Santos Roseira ◽  
...  

2001 ◽  
Vol 26 (2) ◽  
pp. 491-493 ◽  
Author(s):  
B. L. Harris ◽  
C. W. Holmes ◽  
A. M. Winkelman ◽  
Z. Z. Xu

AbstractThe survival and fertility of strains of Holstein-Friesian (HF) cows, Jersey cows and their crosses was investigated. Parametric survival analysis was used to model the number of days between first calving and last known herd test. The analysis was stratified by breed and included explanatory variables for production and nonproduction traits and proportion of overseas (i.e. not of New Zealand origin) HF genetics. Linear model analyses were used to investigate the genetics of fertility measures of first—lactation cows and their associations with production, live weight and survival. The HFJersey crossbred cows had a lower risk of culling than the parental breeds. The risk of culling increased with the proportion of overseas HF genes in both the HF and HFJersey crossbred cows. The heritabilities for the fertility traits ranged from 1.3% to 5.4% with days from start of mating to first mating (DFM) having the highest value. Antagonistic relationships, in terms of genetic correlations, between fertility and production were largest for DFM. DFM was negatively correlated with survival. Declining fertility and survival were found as the proportion of overseas HF increased.


2018 ◽  
Vol 58 (9) ◽  
pp. 1766
Author(s):  
Anna Malgorzata Brzozowska ◽  
Piotr Micek ◽  
Beata Kuczynska ◽  
Marek Lukaszewicz ◽  
Jolanta M. Oprzadek

Lipid additives are of particular importance in the diet of high-yielding dairy cows. The aim of this study was to determine the effects of a specially designed energy-protein supplement on dairy cows' performance and milk composition. The experiment was conducted on 24 Polish Holstein-Friesian cows fed total mixed ration. Two kilograms of energy-protein supplement/cow.day were added to the ration for one group of cows whereas the other was fed solely the total mixed ration. The supplement consisted of whole flax seeds, wheat bran, flaxseed and fish oils, and rapeseed cake and its composition is protected by a patent. Feed intake and daily milk yield were recorded automatically for each cow. Gross milk composition and fatty acid profile of milk were determined. An ANOVA was performed to determine the influence of the supplement on performance traits and milk composition. Energy-protein supplement had a positive impact on dry matter intake and milk yield of cows. It had a little effect on the gross milk composition and somatic cell count. The effect of the additive on fatty acids in milk was beneficial, therefore its use in high-yielding dairy cows nutrition is recommended to improve health-promoting properties of milk.


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