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2022
Modelling winter feeding practices with fodder beet in growing and dry dairy cattle, A, Jonker, DE Dalley, RR Woods, RA Dynes, D Pacheco, MA Khan, JP Edwards, and KJ Hammond , New Zealand Journal of Animal Science and Production, 01/2022, Volume 82, Online, p.39-44, (2022)
2021
Can GreenFeed automated emissions monitoring systems measure methane output from young red deer grazing pasture?, CP, Bennett, JF Ward, and A Jonker , New Zealand Journal of Animal Science and Production, 01/2022, Volume 81, Online, p.93-98, (2021)
Evaluation of existing equations to rank methane yields of sheep fed a range of fresh forages, A, Jonker, M Eugène, C de Klien, D Pacheco, and R Vibart , New Zealand Journal of Animal Science and Production, 01/2022, Volume 81, Online, p.159-163, (2021)
Sheep divergently selected for methane yield showed differences in meat fatty acid composition, Johnson, PL, M Agnew, A Jonker, SM Hickey, JC McEwan, B Bryson, KG Dodds, and SJ Rowe , New Zealand Journal of Animal Science and Production, 01/2022, Volume 81, Online, p.173-178, (2021)
Volatile fatty acids (VFA) in rumen samples collected pre-feeding had a stronger relationship with methane emissions in lambs fed graded levels of forage rape than VFAs in post-feeding samples, MM, Della Rosa, PH Janssen, P Reid, E Sandoval, D Luo, D Pacheco, and A Jonker , New Zealand Journal of Animal Science and Production, 01/2022, Volume 81, Online, p.168-172, (2021)
2019
BRIEF COMMUNICATION: Effect of a fodder beet or lucerne-chaff-based diet on triplet-bearing ewe live weight, body condition score and lamb birth weight, FW, Knol, C Erichsen, A Jonker, E Sandoval, D Pacheco, SY Hea, and SA McCoard , New Zealand Journal of Animal Science and Production, 07/2019, Volume 79, Palmerston North, p.168-170, (2019)
Circadian variation in methane emissions by cattle and correlation with level and composition of ryegrass-based pasture eaten, AA, Biswas, and A Jonker , New Zealand Journal of Animal Science and Production, 07/2019, Volume 79, Palmerston North, p.61-64, (2019)
2017
A comparison of faecal sample collection times for estimating faecal output and total tract digestibility using inert markers in sheep offered three ryegrass cultivars at two allowances, A, Jonker, and GP Cosgrove , Proceedings of the New Zealand Society of Animal Production, 06/2017, Volume 77, Rotorua, p.43-48, (2017)
2015
Nitrogen partitioning in sheep offered three perennial ryegrass cultivars at two allowances in spring and autumn, A, Jonker, L Cheng, GR Edwards, G Molano, PS Taylor, E Sonoval, and GP Cosgrove , Proceedings of the New Zealand Society of Animal Production, 07/2015, Volume 75, Dunedin, p.74-78, (2015)
2014
BRIEF COMMUNICATION: Methane emissions by sheep offered high sugar or conventional perennial ryegrass at two allowances, A, Jonker, G Molano, E Sandoval, PS Taylor, C Antwi, and GP Cosgrove , Proceedings of the New Zealand Society of Animal Production, 06/2014, Volume 74, Napier, p.145-147, (2014)
2013
In vitro ruminal fermentation and methane production from maize silage mixed with high or low quality ryegrass, A, Jonker, and D Pacheco , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 73, Hamilton, p.202-204, (2013)