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Food, fibre and pharmaceuticals from animals
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Animal Production Science

Animal Production Science

Animal Production Science is an international journal publishing original research and reviews on the production of food, fibre and pharmaceuticals from animals. Read more about the journalMore

Editor-in-Chief: Wayne Bryden

Publishing Model: Hybrid. Open Access options available

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Latest

These articles are the latest published in the journal. Animal Production Science is published under a continuous publication model. More information is available on our Continuous Publication page.

Published online 21 November 2024

AN24270Early-life cold stress and broiler breeder age: effects on metabolism and performance in broiler chicks

Ludmyla Martins Moreira, Tainá Silva Brandão Lopes, Cesar Andres Guato Guamán 0000-0002-4963-6371, Lorena Salim Sousa, Matheus Barros Santini, Alexandre Rodrigues Cardoso, Lucas B. C. Santos, Fabíola Oliveira Paes Leme, Leonardo José Camargos Lara and Itallo Conrado Sousa Araújo 0000-0001-8882-3180
 

Cold stress during the first week of rearing negatively impacted broiler chicks from 29-week-old breeders compared with 42-week-old breeders, leading to higher corticosterone levels, and reduced yolk sac absorption and crop filling. Chicks from 42-week-old breeders showed better overall performance, with higher body weight and feed intake regardless of environmental temperature. The study highlights the importance of maintaining thermal comfort for optimal chick development, particularly that from younger breeder flocks, to mitigate stress, and improve viability and growth performance.

AN24270 Abstract  | PDF (626 KB) - $35.00 
Published online 14 November 2024

AN24286Dietary energy level and β2-adrenergic agonist supplementation on growth performance, dietary energy, carcass traits, and visceral mass of hairy lambs

Beatriz I. Castro-Pérez, Lucía de G. Escobedo-Gallegos, Daniel Mendoza-Cortez, Alfredo Estrada-Angulo, Jesús D. Urías-Estrada, Jesús A. Quezada-Rubio, Richard A. Zinn and Alejandro Plascencia 0000-0003-2151-5372
 

In the feedlot, during the latter phase of finishing, animals show lower efficiency because weight gain is more directed to fat than protein. Several strategies are used to change the gain composition during this phase, such as beta-agonist zilpaterol (ZH), but the effectiveness of ZH can be affected by several factors. This is the first study that has provided information that the effectiveness of ZH in fattening lambs is independent of the energy concentration in the finishing diets.

AN24286 Abstract  | PDF (474 KB) - $35.00 
Published online 12 November 2024

AN24203Factors influencing the variability in performance of cattle grazing tropical pasture

E. Charmley 0000-0002-4189-1861, G. J. Bishop-Hurley, C. S. McSweeney, R. Takeuchi, G. Martinez-Fernandez and S. Denman
 

The influence of rumen fermentation, diet selection and animal activity on variation in liveweight (LW) gain of growing cattle grazing mixed tropical pasture was found to be minimal. Small but significant differences were mostly observed in the wet season. In the absence of major differences in measured variables, it is speculated that variation in LW gain is due to unmeasured phenotypes such as efficiency of nutrient use or voluntary intake.

AN24203 Abstract  |  AN24203 Full Text  | AN24203PDF (659 KB)   Open Access Article

Published online 12 November 2024

AN23418Association of a non-synonymous variant of MLH3 gene involved in meiotic recombination with conception rate of Japanese Black cattle

Thu Nu Anh Le 0009-0008-5146-5517, Trung Ba Nguyen, Takehito Tsuji, Takayuki Ibi, Shinji Sasaki and Tetsuo Kunieda
 

Conception rate, which is an important parameter to evaluate female fertility, has been gradually decreasing in Japanese Black cattle during the past decades. In this study, we found a non-synonymous variant of the MLH3 gene that has been reported to be involved in meiotic recombination rate is also significantly associated with conception rate. This novel variant is suggested to use as a potential marker for selecting the Japanese Black cattle for improving fertility.

This article belongs to the Collection Sustainable Animal Agriculture for Developing Countries 2023.

AN23418 Abstract  | PDF (711 KB) - $35.00 
Published online 11 November 2024

AN24132Longissimus from Berkshire pigs in a small-scale supply chain have increased oxidative metabolism, tenderness and water-holding capacity, compared with Large White × Landrace pigs in a modern commercial supply chain

Michelle Nicole LeMaster, Darryl Nicholas D’Souza, Robert John Edward Hewitt 0000-0002-3353-2754, Surinder Singh Chauhan 0000-0003-1150-379X, Minh Ha, Linton George Leon Batt, Frank Rowland Dunshea and Robyn Dorothy Warner 0000-0001-5313-8773
 

Inconsistent pork quality, especially tenderness, is related to differences between supply chains and breeds. We investigated differences between supply chains, breed, and muscle metabolism and identified the influence of muscle fibre proportion on pork quality. Pork loins with increased proportions of oxidative fibres, from small supply chains rather than large modern commercial supply chains, have improved quality.

AN24132 Abstract  |  AN24132 Full Text  | AN24132PDF (329 KB)   Open Access Article

Published online 07 November 2024

AN24139Greenhouse-gas abatement on Australian dairy farms: what are the options?

L. M. Garnett 0009-0005-2379-8259 and R. J. Eckard 0000-0002-4817-1517
 

The dairy industry contributes significantly to the Australian rural economy, but to maintain its social licence and supply-chain access, greenhouse-gas emissions must be reduced. We found that substantial emissions abatement may be possible, but cost and knowledge gaps currently limit on-farm adoption of abatement options. Although some reduction strategies look hopeful, more research is needed if the industry is to reduce its footprint but remain profitable.

AN24139 Abstract  |  AN24139 Full Text  | AN24139PDF (578 KB)   Open Access Article

Published online 07 November 2024

AN24182Plasma progesterone profiles in ewes using different injectable progesterone formulations

Vanessa Costa Santos, Juliana Dantas Rodrigues Santos, Mário Felipe Alvarez Balaro 0000-0002-8198-7964, Pedro Henrique Nicolau Pinto, Nadiala Porto Ramalho, Caio Cezar de Carvalho Cunha, Sandra Ribeiro da Silva, Alejo Menchaca, Rodolfo Ungerfeld 0000-0003-4685-2105 and Felipe Zandonadi Brandão 0000-0003-4027-5562
 

Food production is increasingly a topic of interest to consumers. The aim of this study was to evaluate the use of injectable progesterone as a possible replacement for intravaginal implants in ewes. We believe that long-acting progesterone can be an alternative to short protocols for inducing synchronized estrus.

AN24182 Abstract  | PDF (485 KB) - $35.00 
Published online 07 November 2024

AN24299Comparison of suckling and artificial rearing on calf growth and milk requirements in pastoral dairy systems

Racheal H. Bryant 0000-0002-5004-8147, Paige Beckett, Lucas Tey, Riki Burgess, Jeffery Curtis, Axel Heiser, Sally-Anne Turner and Alison J. Hodgkinson 0000-0001-6290-2382
 

Calf-rearing practises can influence calf development and milk sales for the producer, and consumer demands for high animal-welfare practises may require changes to future rearing practises. The aim of this research was to compare calf growth and milk requirements by using conventional artificial rearing with calves reared with their dam in a pastoral dairy system.

This article belongs to the Collection Australasian Dairy Science Symposium 2024.

AN24299 Abstract  |  AN24299 Full Text  | AN24299PDF (437 KB)   Open Access Article

Published online 01 November 2024

AN23438Nutritional composition of black soldier fly (Hermetia ilucens) larvae reared on vegetable wastes: effects on growth of village chickens

Zaid Ahmad 0000-0001-6359-3585, S. K. Ramiah, Eddy S. Jamein, Zulkifli Idrus, Idris H. Lokman, Faiz M. A. Amirul, Samad A. A. Fadzlin, Afifi A. A. Ghani, Mohd Zamri-Saad, Anuraga Jayanegara and Hasliza Abu Hassim 0000-0002-7119-6560
 

Black soldier fly larvae are a promising alternative ingredient of poultry feed. They might be able to replace soybean and fishmeal because they contain high protein and fat, and are also rich in vitamins and minerals, and because partial replacement of soybean and total replacement of fishmeal produce no adverse effect on the growth performance of village chickens. Therefore, they are a suitable replacement of these traditional ingredients in poultry feed.

This article belongs to the Collection Sustainable Animal Agriculture for Developing Countries 2023

AN23438 Abstract  | PDF (324 KB) - $35.00 
Published online 31 October 2024

AN24167A review of extended lactation in dairy cows managed in high-input and pasture-based farming systems

Kerst Stelwagen 0000-0001-6931-5084, Ina (J. B.) Pinxterhuis, S. Jane Lacy-Hulbert and Claire V. C. Phyn
 

A literature review of extended lactation (EL) in dairy cows managed under intensive- and pasture-based farming conditions was conducted. EL may improve reproductive performance, animal health and welfare and reduce the number of ‘surplus’ calves. Implementing EL in a pasture-based system is more challenging, given its reliance on the annual pasture growth cycle and will require strategically feeding supplements to maintain milk yield of cows. The potential benefits of EL in such a system warrant more research.

AN24167 Abstract  |  AN24167 Full Text  | AN24167PDF (528 KB)   Open Access Article

Published online 31 October 2024

AN24155The liveweight, carcasses and meat quality of intact and castrated male lambs reared under a pasture-fed Australian production system

Shawn R. McGrath 0000-0002-4737-4267, M. Bruce Allworth, James Stephens, Michelle L. E. Henry and Benjamin W. B. Holman 0000-0002-8458-4511
 

Intact male (ram) lambs are often discounted by meat processors because of their perceived defective meat quality and additional processing requirements. Intact male lambs grew faster during the pre-weaning period and achieved heavier liveweights at slaughter compared with castrated male (wether) lambs. Untrained consumer sensory scores ranked the meat of wethers as being more tender and of greater overall liking than the meat of ram lambs – even though few objective meat quality parameters were observed to be affected by castration.

AN24155 Abstract  |  AN24155 Full Text  | AN24155PDF (383 KB)   Open Access Article

Published online 29 October 2024

AN23258Effects of dietary phytase supplementation on growth performance, nutrient digestibility, and blood metabolites of weaned piglets

Elick Kinara, Habeeb Tajudeen, Abdolreza Hosseindoust, Jun Young Mun, Sang Hun Ha, Se Rin Park, Choon Han Lee, Lakshmibai Vasanthakumari Bindhu, Justin Tan and Jin Soo Kim 0000-0002-9518-7917
 

Phytase plays a crucial role in the nutrition of young pigs. Incorporating phytase into young-pig diets helps alleviate the anti-nutritional effect by catalyzing the hydrolysis of phytic acid. As a result, bounded phosphorus and other minerals becomes more accessible for absorption by the pig’s gut, thereby enhancing nutrient utilization and promoting better growth performance.

AN23258 Abstract  | PDF (716 KB) - $35.00 
Published online 29 October 2024

AN24255Assessment of loliolide extracted from Biserula pelecinus, present during in vitro oocyte maturation, on fertilisation and embryo development in sheep

A. A. Amir, A. A. Algreiby, J. M. Kelly, D. O. Kleemann 0000-0002-4346-7730, Z. Durmic 0000-0001-7300-043X, G. R. Flematti, D. Blache and G. B. Martin 0000-0002-1905-7934
 

It is important to test whether new forage plants contain secondary compounds that affect reproduction. We added extracts of Biserrula pelecinus to the medium used to mature sheep cumulus–oocyte complexes and assessed oocyte maturation, cleavage rate, blastocyst rate, hatching rate, blastocyst efficiency and total blastocyst cell number. One fraction tended to reduce blastocyst rate, but loliolide, the most abundant compound in that fraction, did not affect any measure of embryo development.

AN24255 Abstract  |  AN24255 Full Text  | AN24255PDF (489 KB)  | AN24255Supplementary Material (895 KB)   Open Access Article

Published online 29 October 2024

AN23233Influence of genotype on carcass composition, metric traits of the digestive system and leg bones of laying hens after the egg-production season

Marcin Wegner, Dariusz Kokoszynski 0000-0002-6642-1129, Dariusz Piwczynski, Karolina Tarasiuk and Jozef Bujko
 

The study involved comparing two genotypes of laying hens, namely, Lohmann Brown and Lohmann White, after laying period. The percentage of carcass elements and offal weight, lengths and diameters of the intestinal segments, lengths and thicknesses of the femur and tibia was evaluated. The genotype of laying hens influenced carcass weight and percentage of muscle, as well as differentiated the birds in terms of the dimensions of the various sections of the intestine, femur and tibia.

AN23233 Abstract  | PDF (779 KB) - $35.00 
Published online 24 October 2024

AN24309Modelling the impact of increasing supplementary feed allowance on predicted sheep enterprise production, profit and financial risk across southern Australia

A. L. Bates 0000-0002-4984-3581, S. M. Robertson 0000-0001-5129-2216, S. R. McGrath 0000-0002-4737-4267, M. B. Allworth and G. Refshauge
 

Supplementary feeding sheep is an important nutritional and reproductive management practice, but can be expensive. Increased financial risk has often been associated with increased supplementary feeding and was apparent in the current study in association with mating season, but was not linked to breed. Producers may be able to improve the production, profit and financial risk of an enterprise through increased supplementary feeding, but this will be dependent on breed, input costs, commodity prices and location.

AN24309 Abstract  |  AN24309 Full Text  | AN24309PDF (330 KB)  | AN24309Supplementary Material (1017 KB)   Open Access Article

Just Accepted

These articles have been peer reviewed and accepted for publication. They are still in production and have not been edited, so may differ from the final published form.

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Collections

Collections are a curation of articles relevant to a topical research area

Australasian Dairy Science Symposium 2024

This collection brings together selected research and review papers presented at the 2024 Australasian Dairy Science Symposium, Christchurch, NZ. The 2024 symposium was a special occasion, marking 20 years since the first ADSS conference in Shepparton, Victoria.

Collection Editors
Callum Eastwood (DairyNZ)
James Hills (Tasmanian Institute of Agriculture, University of Tasmania)
Arjan Jonker (AgResearch NZ)
Samuel Wilson (Massey University)
Omar Al-Marashdeh (Lincoln University)

Last Updated: 12 Nov 2024

Sustainable Animal Agriculture for Developing Countries 2023

The papers in this Collection of Animal Production Science were presented at the 9th biennial conference of Sustainable Animal Agriculture for Developing Countries (SAADC23), held in Vientiane, Laos in 2023. The meeting created a forum for collaboration among animal scientists, producers, and policy makers from developing countries, fostering the exchange of experiences and the development of sustainable animal agriculture practices.

Collection Editor
Wayne L. Bryden (University of Queensland)

Last Updated: 20 Aug 2024

Equine Science in Australasia II

This Collection follows the first Equine Science special issue of Animal Production Science published in 2020. Since the first Australian Equine Science Symposium (AESS) in 2006, there have been six biennial symposia that have provided a platform for equine researchers to enjoy a collegial atmosphere dedicated to the horse. The papers in this collection reflect the strength and diversity of Australasian Equine Science.

Collection Editors
Chris W. Rogers (Massey University)
Wayne L. Bryden (University of Queensland)

Last Updated: 13 Jun 2024

ADSS 2022: A Changing Climate for Dairy Science

Animal Production Science brings together a Collection of research and review papers presented at the 2022 Australasian Dairy Science Symposium. The theme of the 2022 symposium was ‘A Changing Climate for Dairy Science’ so while this special issue includes papers on a range of topics, a common theme throughout the papers is addressing the challenges faced by the Australian and New Zealand dairy sectors.

Collection Editors
Keith Pembleton (University of Southern Queensland)
Callum Eastwood (DairyNZ Ltd)
James Hills (University of Tasmania)

Last Updated: 23 May 2024

Animal Production Science in the 21st Century

Animal Production Science celebrated 60 years of publication in 2021 and to celebrate, we marked this milestone with this selection of key review papers published in the journal over the last decade, highlighting research breakthroughs, social and economic issues that have influenced primary producers, and the practice of animal production.

Last Updated: 30 Jul 2021

Animal Breeding and Genomics

New genomic technologies have revolutionised our approach to animal breeding and increased the rate of genetic change. This Collection brings together a selection of research articles that review research progress and updates our knowledge of the delivery of livestock genomics research applications, specifically for the beef and dairy cattle and sheep industries globally.

Last Updated: 19 Aug 2013

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