Feeding altrenogest during late lactation improves fertility of primiparous sows nursing smaller litters

ανά Am-in, Nutthee, Kirkwood, Roy N.
Τόπος έκδοσης Can J Vet Res (2019)

The Influence of Feeding Allyl Trenbolone During Late Lactation on the Reproductive Performance of Primaparous and Multiparous Sows

ανά Kirkwood, Roy N., Aherne, Frank X.
Έκδοση 1988

The influence of original breeding weight and estrus of mating on the productivity of sows over four parities

ανά Kirkwood, Roy N., Thacker, Philip A.
Έκδοση 1989

The influence of a premating injection of gonadotrophin-releasing hormone on sow and gilt fertility

ανά Kirkwood, Roy N., Thacker, Philip A.
Έκδοση 1989

Serum Anti-Mullerian Hormone and Estradiol Concentrations in Gilts and Their Age at Puberty

ανά Am-in, Nutthee, Suwimonteerabutr, Junpen, Kirkwood, Roy N.
Τόπος έκδοσης Animals (Basel) (2020)

Observations on the influence of exogenous gonadotrophins and cloprostenol on ovulation in gilts

ανά Kirkwood, Roy N., Thacker, Philip A., Chaplin, Ronald K.
Έκδοση 1991

Influence of parity of birth and suckled sows on piglet nasal mucosal colonization with Haemophilus parasuis

ανά Brean, Marion, Abraham, Sam, Hebart, Michelle, Kirkwood, Roy N.
Τόπος έκδοσης Can Vet J (2016)

Are Larger Litters a Concern for Piglet Survival or An Effectively Manageable Trait?

ανά Ward, Sophia A., Kirkwood, Roy N., Plush, Kate J.
Τόπος έκδοσης Animals (Basel) (2020)

Sex bias of the birth litter affects surge but not tonic LH secretion in gilts

ανά Seyfang, Jemma, Kirkwood, Roy N, Tilbrook, Alan J, Ralph, Cameron R
Τόπος έκδοσης J Anim Sci (2018)

Development and Function of the Intestinal Microbiome and Potential Implications for Pig Production

ανά Nowland, Tanya L., Plush, Kate J., Barton, Mary, Kirkwood, Roy N.
Τόπος έκδοσης Animals (Basel) (2019)

The RNA Chaperone Hfq Promotes Fitness of Actinobacillus pleuropneumoniae during Porcine Pleuropneumonia

ανά Subashchandrabose, Sargurunathan, Leveque, Rhiannon M., Kirkwood, Roy N., Kiupel, Matti, Mulks, Martha H.
Έκδοση 2013

Influence of Backfat Thickness and the Interval from Altrenogest Withdrawal to Estrus on Reproductive Performance of Gilts

ανά Thitachot, Krittawat, Sirinopwong, Voramet, Seemuang, Viriya, Ratchatasriprasert, Akkapon, Kirkwood, Roy N., Am-in, Nutthee
Τόπος έκδοσης Animals (Basel) (2021)

Effect of piglet separation from dam at birth on colostrum uptake

ανά Manjarín, Rodrigo, Montano, Yanisse A., Kirkwood, Roy N., Bennet, Darin C., Petrovski, Kiro R.
Τόπος έκδοσης Can J Vet Res (2018)

Anogenital distance reflects the sex ratio of a gilt’s birth litter and predicts her reproductive success

ανά Seyfang, Jemma, Ralph, Cameron R, Hebart, Michelle L, Tilbrook, Alan J, Kirkwood, Roy N
Τόπος έκδοσης J Anim Sci (2018)

Effect of Oxytocin, Cloprostenol or Buserelin in Semen Doses on Sow Fertility

ανά Manjarín, Rodrigo, Kirkwood, Roy N., Ngula, Jose, Martinez-Pastor, Felipe, Alegre, Beatrix, Domínguez, Juan Carlos
Τόπος έκδοσης Animals (Basel) (2019)

Characterisation of Early Microbial Colonisers within the Spiral Colon of Pre- and Post-Natal Piglets

ανά Nowland, Tanya L., Kirkwood, Roy N., Torok, Valeria A., Plush, Kate J., Barton, Mary D.
Τόπος έκδοσης Life (Basel) (2021)

Exposure to maternal feces in lactation influences piglet enteric microbiota, growth, and survival preweaning

ανά Nowland, Tanya L, Kirkwood, Roy N, Plush, Kate J, Barton, Mary D, Torok, Valeria A
Τόπος έκδοσης J Anim Sci (2021)

Relationship between vaginal mucus conductivity and time of ovulation in weaned sows

ανά Hidalgo, David M., Cassar, Glen, Manjarin, Rodrigo, Dominguez, Juan C., Friendship, Robert M., Kirkwood, Roy N.
Τόπος έκδοσης Can J Vet Res (2015)

Effect of additional human chorionic gonadotrophin (hCG) on follicular growth and ovulation in gonadotrophin-treated gilts

ανά Manjarín, Rodrigo, Cassar, Glen, Friendship, Robert M., Garcia, José C., Dominguez, J. Carlos, Kirkwood, Roy N.
Τόπος έκδοσης Can J Vet Res (2015)

Branched-Chain Amino Acids Are Required for the Survival and Virulence of Actinobacillus pleuropneumoniae in Swine

ανά Subashchandrabose, Sargurunathan, LeVeque, Rhiannon M., Wagner, Trevor K., Kirkwood, Roy N., Kiupel, Matti, Mulks, Martha H.
Έκδοση 2009