Effect of forage-concentrate ratio in complete feeds fed ad libitum on energy intake in relation to requirements by dairy cows.
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TLDR
Cows in the latter stages of lactation did not appear to regulate their intake according to physiological requirements for milk production, and cows in the groups fed higher concentrate feeds achieved energy balance earlier.About:
This article is published in Journal of Dairy Science.The article was published on 1974-11-01 and is currently open access. It has received 73 citations till now. The article focuses on the topics: Energy balance.read more
Citations
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Nutritive value of fababeans in the diets of young holstein calves and lactating dairy cows
TL;DR: Replacement of soybean meal with fababeans in two experiments had no significant effect on feed intake, milk yield or milk composition, but did result in greater (P < 0.05) loss in body weight of cows receiving thefababeans containing ...
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Relationship of blood metabolites with reproductive cyclicity in dairy cows
Muhammad Ubaidullah Qureshi,Muhammad Subhan Qureshi,Rajwali Khan,Abdur Rahman,Syed Muhammad Sohail,Asim Ijaz,Ijaz Ahmad,Shakoor Ahmad,Mohammad Shoaib,Abdul Basit +9 more
TL;DR: Breed type and daily milk yield significantly affected post partum estrus in jersey cows whereas both blood glucose and triglycerides were significantly affected (P<0.001 and P < 0.05) in F1 cows.
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Effect of sex on feed intake, growth and nutrients digestibility in Blackhead sheep fed complete mash rations of crop residues
TL;DR: Three complete mash rations formulated with crop residues: groundnut shell (GNS), sunflower heads (SFH) and citrus pulp waste (CPW) were tested using 18, 10-month-old Blackhead sheep and among the three rations, rams and ewes on the CPW ration had better growth rates than those on GNS and SFH.
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Complete diets for dairy cows: comparisons of feeding to appetite with rationing according to milk yield
J. F. D. Greenhalgh,G. W. Reid +1 more
TL;DR: It seems likely that the efficiency of feed utilization of cows fed on complete diets will be low unless intake is controlled by energy dilution, and under-nutrition in late winter is suggested.
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Predição do consumo de pasto de capim-elefante (Pennisetum purpureum, Schumack) por vacas mestiças Holandês x Zebu em lactação
Fernando César Ferraz Lopes,Luiz Januário Magalhães Aroeira,Norberto Mario Rodriguez,Ivan Barbosa Machado Sampaio,Fermino Deresz,Iran Borges,Telma Teresinha Berchielli +6 more
TL;DR: Equations for predicting elephantgrass dry matter intake by Holstein x Zebu lactating dairy cows under grazing were developed by stepwise regression analysis by selecting those that showed substitution effect to intake of elephantgrass in supplementing grazing cows.
References
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Prediction of the energy value of cow's milk.
H.F. Tyrrell,J. T. Reid +1 more
TL;DR: This equation predicted the milk energy output of cows producing low-fat milk effected by dietary means as accurately as that of normal milk after analysis of the relationships among the energy value and the concentrations of total solids, solids-not-fat, and milk.
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Development of a Comprehensive System of Feed Analyses and its Application to Forages
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Regulation of Feed Intake in Dairy Cows. I. Change in Importance of Physical and Physiological Factors with Increasing Digestibility
TL;DR: It was concluded that physical and physiological factors regulating feed intake change in importance with increasing digestibility, and intake appeared to be dependent on metabolic size, production, and digestibility at higher digestibilities.
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Energetics of Body Tissue Mobilization
P.W. Moe,H.F. Tyrrell,W.P. Flatt +2 more
TL;DR: It appears unrealistic to relate tissue energy changes to live weight change without some consideration being given to the change in rumen fill, but data from this laboratory suggest that milk may be produced from body tissue reserves with an efficiency of 82 to 84% and that theBody tissue reserves may be replenished in late lactation by deposition of body tissue with a efficiency equal to or exceeding that of milk production.