Results 21 to 30 of about 806,279 (404)

Phenotypic effects of calving ease on the subsequent fertility and milk production of dam and calf in UK Holstein-Friesian heifers [PDF]

open access: yes, 2011
The effect of calving ease on the fertility and production performance of both dam and calf was studied in approximately 50,000 and 10,000 UK Holstein-Friesian heifers and heifer calves, respectively. The first objective of this study was to estimate the
Alonso-Spilsbury   +55 more
core   +1 more source

Calf rennet lysozyme [PDF]

open access: yesBiochemical Journal, 1982
A glycosidase displaying endo-N-acetylmuramoylhydrolase specificity (EC 3.2.1.17) was isolated from calf rennet. This lysozyme was also present in abomasal secretions from calf and adult cattle. Multiple molecular forms revealed by electrofocusing might be artefacts. The main enzyme form had Mr approx.
J J, Pahud, F, Widmer
openaire   +2 more sources

Nucleotide Supplementation to Whole Milk Has Beneficial Effects on Post-Weaning Holstein Calf Performance

open access: yesAnimals, 2021
The positive effects of nucleotide (NU) supplementation in milk replacer have been elucidated in infants and in dairy calves; however, NU addition to whole milk has not been evaluated previously. This study aimed to assess NU supplementation in the whole
Yousef Abbaslou   +5 more
doaj   +1 more source

Effect of cow-calf contact on cow motivation to reunite with their calf

open access: yesScientific Reports, 2020
Early cow-calf separation prevents much of cows’ natural maternal behaviour. Early separation is thought to prevent the development of a cow-calf bond. To assess this bond, we measured motivation of dairy cows to reunite with their calf.
Margret L. Wenker   +6 more
semanticscholar   +1 more source

Characteristics of the Oxidative Status in Dairy Calves Fed at Different Milk Replacer Levels and Weaned at 14 Weeks of Age

open access: yesAntioxidants, 2021
A paradigm shift in the way of rearing heifer calves from restricted feeding and early weaning towards greater feed allowances and later weaning ages is ongoing.
Katharina Diana Seibt   +4 more
doaj   +1 more source

Unilateral calf hypertrophy [PDF]

open access: yesJournal of Neurology, Neurosurgery & Psychiatry, 2004
This case illustrates an unusual cause of calf hypertrophy. A 47 year old man presented with a two year history of progressive swelling of the right calf. Initially painless, he later developed a dull ache over the lateral aspect of the lower leg. There …
A, Coles, D, Dick
openaire   +2 more sources

Appropriate Dairy Calf Feeding from Birth to Weaning: “It’s an Investment for the Future”

open access: yesAnimals, 2020
Simple Summary Research has indicated that dairy farms often do not feed calves according to recommended best practice, despite legislation and industry advisory efforts. This study used interviews with dairy farmers and their advisors to investigate why
L. Palczynski   +3 more
semanticscholar   +1 more source

The Health and Behavioural Effects of Individual versus Pair Housing of Calves at Different Ages on a UK Commercial Dairy Farm

open access: yesAnimals, 2021
Housing management of dairy calves is one of the factors that contributes to a successful rearing outcome. Individual housing of pre-weaned calves is thought to provide enhanced biosecurity and easier monitoring of the individual, and so remains ...
Sophie A. Mahendran   +3 more
doaj   +1 more source

Prebiotic and synbiotic effect on rumen papilla length development and rumen pH in 12-week-old calves [PDF]

open access: yesVeterinary World, 2021
Background and Aim: Europe and the USA have banned antibiotics use as growth promoters. There is a need for alternative products that can ensure production and health protection.
A. Arne, A. Ilgaza
doaj   +1 more source

Protocol for a Scoping/Systematic Review: Scoping Review of Vaccination for the Prevention of Calf Scours in Cow-Calf Operations [PDF]

open access: yes, 2020
Background: The use of antimicrobials in the livestock industry has been a topic of increasing concern in the last  few years. Calf scours is one of the main causes of mortality among calves younger than 1 month and affects the development of the animal,
Breitenbuecher, Jefferson GC   +4 more
core  

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