Results 111 to 120 of about 48,394 (303)

The effect of exogenous glucose infusion on early embryonic development in lactating dairy cows [PDF]

open access: yes, 2018
peer-reviewedThe objective of this study was to examine the effect of intravenous infusion of glucose on early embryonic development in lactating dairy cows. Nonpregnant, lactating dairy cows (n = 12) were enrolled in the study (276 ± 17 d in milk). On d
Butler, Stephen   +9 more
core   +2 more sources

Bacteria‐Responsive Nanostructured Drug Delivery Systems for Targeted Antimicrobial Therapy

open access: yesAdvanced Materials, EarlyView.
Bacteria‐responsive nanocarriers are designed to release antimicrobials only in the presence of infection‐specific cues. This selective activation ensures drug release precisely at the site of infection, avoiding premature or indiscriminate release, and enhancing efficacy.
Guillermo Landa   +3 more
wiley   +1 more source

Characterization of buffalo production of northeast of Italy

open access: yesItalian Journal of Animal Science, 2010
Aim of this study was to characterize the buffalo production in the Veneto region of Italy. Test day records of milk production traits (milk yield, protein, fat, and somatic cell count) of 845 buffalo cows from two herds were analyzed using a linear ...
Giovanni Bittante   +4 more
doaj   +1 more source

Modeling of Lactation Curves of Dairy Animals [PDF]

open access: yesJournal of Applied Animal Research, 2003
Abstract Prasad, S. 2003. Modeling of lactation curves of dairy animals. J. Appl. Anim. Res., 24: 79–84. A new model Yt=a+bt+ct2+d/t to describe the lactation curve of dairy animals is proposed and compared with four existing models viz. Sikka, Neider, Wood and Mitscherlich x Exponential by using four measures of goodness of fit; R2, mean square error,
openaire   +1 more source

An investigation into the effects of different housing and feeding systems on behaviour and milk production of dairy ewes in mid and late stages of lactation : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Animal Science at Massey University, Manawatu, New Zealand [PDF]

open access: yes, 2018
The following have been removed for copyright reasons, but may be accessed via their source listed in the references: Figures 1.1 p. 9 (=Fig 2, p. 2715), 1.2 p. 10 (=Fig A p. 86), 1.3 p. 15 (=Fig 2 p. 261), 1.4 p. 16 (=Fig 2 BCS p. 36), 1.6 p.
Bliss, April Elizabeth
core  

Prolactin is a strong candidate for the regulation of luteal steroidogenesis in vizcachas (Lagostomus maximus) [PDF]

open access: yes, 2018
Prolactin (PRL) is essential for the maintenance of the corpora lutea and the production of progesterone (P4) during gestation of mice and rats, which makes it a key factor for their successful reproduction.
Charif, Santiago Elías   +10 more
core   +1 more source

Hydrogelation via Supramolecular Copolymerization of Structural Water within Adaptive Metal–Organic Fibers

open access: yesAdvanced Materials, EarlyView.
Structural water is harnessed as an active co‐monomer to drive supramolecular polymerization in bulk water. Zinc(II) Salphen complexes confine water molecules to form hollow, metal–organic nanofibers that assemble into adaptive hydrogels with thermoresponsive mechanics and selective chiral recognition.
Merlin R. Stühler   +10 more
wiley   +1 more source

Associations between milk production level, calving interval length, lactation curve parameters and economic results in Holstein cows

open access: yesMljekarstvo, 2015
The objective of work was to evaluate effects of milk production level (MY1≥9500 kg, n=23; MY2 = 8000-9499, n=28; and MY3≤7999 kg, n=29) and calving interval length (CI1≥440 days, n=22; CI2 = 400-439 days, n=33; and CI3≤399 days, n=25) on the lactation ...
Dana Němečková   +2 more
doaj   +1 more source

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