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22 articles for “dairy performance”
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Research ArticleOpen accessIn the abstractAssessment of Phenotypic Plasticity in Dairy Production Traits of Toggenburg Goat Genotypes Across South African Agro-ecological ZonesMatshebuka Tshepho, Obert Tada, Louis Thobela TyasiThe study evaluated phenotypic plasticity (PP) in reproductive and milk production traits of Toggenburg (TOG) goat genotypes across five South African agro-ecological zones (AEZ) using a longitudinal observational design. Data from 2,417 does representing five genotypes (Founders, CP, Appendix A, Appendix B, and StudBook Proper) were sourced from the Milch Breeders Society of South Africa LOGIX database. Descriptive statistics and … …American Journal of Animal and Veterinary Sciences, Vol. 20, Issue 3 · 25 Nov 2025 · 2,378 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Leucaena leucocephala Protein Supplement on Nutrient Intake, Milk Yield and Quality, Hematology, Metabolites and Economy Efficiency in Etawah Crossbreed GoatsIdat Galih Permana, Salwa Iffat Zahidah Arif, Fajar Rezki Pambudi et al.Legumes, such as Leucaena leucocephala (LL), have high protein and Rumen degradable Protein (RUP) content, so adding legumes to the diet of dairy goats can meet the protein requirements for milk synthesis. However, the addition of LL alone is insufficient to meet the RUP requirement of dairy goats, thus requiring other protein sources. LL Protein Supplement (LLPS) is a feed … …American Journal of Animal and Veterinary Sciences, Vol. 20, Issue 2 · 23 Aug 2025 · 5,345 accessesView PDFCite
Research ArticleOpen accessIn the abstractEconomic Feasibility and Growth Performance of Holstein Friesian Calves Fed Whey-Dangke Fortified Green Calf StarterZyahrul Ramadan, Renny Fatmyah Utamy, Hasbi Hasbi et al.This research evaluated the impact of feeding green calf starter fortified with whey-dangke on Holstein Friesian dairy calves' economic feasibility, growth performance, and health parameters. Experimental diets were applied to 18 Holstein Friesian dairy calves using a randomized complete factorial design with two factors: type of calf starter and level fortification of whey-dangke. The results showed that calves fed different … …American Journal of Animal and Veterinary Sciences, Vol. 20, Issue 2 · 9 Jul 2025 · 3,296 accessesView PDFCite
Research ArticleOpen accessIn the abstractEco-Friendly Eggshell Meal on Milk Yield and Quality of Holstein Friesian CowsAmbo Ako, Renny Fatmyah Utamy, Hasbi Hasbi et al.Aditya, S., Stephen, J., & Radhakrishnan, M. (2021). Utilization of Eggshell Waste in Calcium-Fortified Foods and other Industrial Applications: A Review. Trends in Food Science & Technology, 115, 422–432. https://doi.org/10.1016/j.tifs.2021.06.047 Ahmed, T. A. E., Wu, L., Younes, M., & Hincke, M. (2021). Biotechnological Applications of Eggshell: Recent Advances. Frontiers in Bioengineering and Biotechnology, 9, 675364. https://doi.org/10.3389/fbioe.2021.675364 Aminah, S., & Meikawati, … …American Journal of Animal and Veterinary Sciences, Vol. 19, Issue 2 · 26 May 2024 · 7,730 accessesView PDFCite
Research ArticleOpen accessIn the abstractFollicle Stimulating Hormone and Gonadotropin Releasing Hormone Administration to the Superovulation of Buffalo (Bubalus bubalis)Tinda Afriani, Ferdinal Rahim, Arif Rachmat et al.This study aims to determine the response of superovulation, corpus luteum number, onset and duration of estrus in Swamp Buffalo after administration of Follicle Stimulating Hormone (FSH) and Gonadotropin Releasing Hormone (GnRH). The material used is 16 mother Swamp Buffaloes with an average body weight of 500 kg and age between 3-5 years. The dairy performance index such as the … …American Journal of Animal and Veterinary Sciences, Vol. 15, Issue 2 · 29 Apr 2020 · 6,695 accessesView PDFCite
Research ArticleOpen accessIn the abstractEFFECTS OF SUPPLEMENTAL LYSINE ON PERFORMANCE, ANTIBODY TITER AND RECTAL TEMPERATURE IN RESPONSE TO A MODIFIED-LIVE VIRAL VACCINE IN NEONATAL CALVESKate Sharon, Glenn Duff, Jeff Dailey et al.Infectious Bovine Rhinotracheitis (IBR), caused by bovine herpesvirus-1, contributes significantly to economic losses in the dairy and beef cattle industry. Lysine has been shown reduce virulence of herpesviruses in felids and humans. Our objective was to evaluate the effects of supplemental lysine on serum IBR antibody titer and rectal temperature in response to a modified-live Intranasal (IN) or Intramuscular (IM) … …American Journal of Animal and Veterinary Sciences, Vol. 9, Issue 2 · 2 Jun 2014 · 7,606 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Diurnally Cyclic Temperature on the Performance of a Continuous Mix Anaerobic DigesterAbdel E. Ghaly, Mariam T. Al HattabProblem statement: Concentrated livestock production is a major contributor to environmental problems through the production of large quantity of husks on relatively small land area. Anaerobic digestion represents a valuable means of cover by these husks into methane while reducing manure pollution problems. Methodology: An experimental apparatus, including data acquisition and control system, was developed and used to investigate the … …American Journal of Biochemistry and Biotechnology, Vol. 7, Issue 4 · 19 Jan 2012 · 9,226 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Effect of Rumen Acid Load on Postpartum Performance and Blood Metabolic Responses in Transition Holstein CowsSadjad Danesh Mesgaran, Alireza Vakili, Alireza Heravi Moosavi, Ghasem KoolabadiProblem statement: The transition period is the most stressful time in the production cycle of a dairy cow because of depressed feed intake, endocrine and metabolic changes at parturition. The aim was to determine the effect of rumen acid load on postpartum performance and metabolic parameters in transition Holstein cows. Approach: The Acidogenicity Values (AV) of the diets were determined … …American Journal of Animal and Veterinary Sciences, Vol. 6, Issue 1 · 25 May 2011 · 7,438 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Calcium Supplementation on Growth, Nutrient Digestibility and Fecal Lactobacilli in Dairy CalvesC. Yuangklang, C. Wachirapakorn, H.E. Mohamed et al.Problem statement: Based on earlier studies in veal calves and rats, the hypothesis tested was that high calcium intakes by ruminating dairy calves reduce fat digestibility, but do not affect growth performance due to enhanced colonization of the intestine with lactobacilli. Approach: In dairy calves that were fed on a combination of milk replacer, concentrate on grass hay, the effects … …American Journal of Animal and Veterinary Sciences, Vol. 5, Issue 2 · 30 Jun 2010 · 8,247 accessesView PDFCite
Research ArticleOpen accessIn the abstractInvestigation of The Bubble Foam Separation Technique To Extract Protein From WheyMohammed MatouqSeparation of proteins from whey; namely α- Lactoglobulin and β- Lactalbumin was obtained using the bubble foam column technique. Two types of whey were conducted in this study; yogurt whey and cheese whey. The effect of gas flow-rate and the height of the whey (liquid holdup) inside the column were studied at room temperature and at constant pH of whey. … …American Journal of Applied Sciences, Vol. 5, Issue 5 · 31 May 2008 · 7,351 accessesView PDFCite