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

par Am-in, Nutthee, Kirkwood, Roy N.
Publié dans Can J Vet Res (2019)

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

par Kirkwood, Roy N., Aherne, Frank X.
Publié 1988

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

par Kirkwood, Roy N., Thacker, Philip A.
Publié 1989

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

par Kirkwood, Roy N., Thacker, Philip A.
Publié 1989

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

par Am-in, Nutthee, Suwimonteerabutr, Junpen, Kirkwood, Roy N.
Publié dans Animals (Basel) (2020)

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

par Kirkwood, Roy N., Thacker, Philip A., Chaplin, Ronald K.
Publié 1991

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

par Brean, Marion, Abraham, Sam, Hebart, Michelle, Kirkwood, Roy N.
Publié dans Can Vet J (2016)

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

par Ward, Sophia A., Kirkwood, Roy N., Plush, Kate J.
Publié dans Animals (Basel) (2020)

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

par Seyfang, Jemma, Kirkwood, Roy N, Tilbrook, Alan J, Ralph, Cameron R
Publié dans J Anim Sci (2018)

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

par Nowland, Tanya L., Plush, Kate J., Barton, Mary, Kirkwood, Roy N.
Publié dans Animals (Basel) (2019)

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

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

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

par Thitachot, Krittawat, Sirinopwong, Voramet, Seemuang, Viriya, Ratchatasriprasert, Akkapon, Kirkwood, Roy N., Am-in, Nutthee
Publié dans Animals (Basel) (2021)

Effect of piglet separation from dam at birth on colostrum uptake

par Manjarín, Rodrigo, Montano, Yanisse A., Kirkwood, Roy N., Bennet, Darin C., Petrovski, Kiro R.
Publié dans Can J Vet Res (2018)

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

par Seyfang, Jemma, Ralph, Cameron R, Hebart, Michelle L, Tilbrook, Alan J, Kirkwood, Roy N
Publié dans J Anim Sci (2018)

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

par Manjarín, Rodrigo, Kirkwood, Roy N., Ngula, Jose, Martinez-Pastor, Felipe, Alegre, Beatrix, Domínguez, Juan Carlos
Publié dans Animals (Basel) (2019)

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

par Nowland, Tanya L., Kirkwood, Roy N., Torok, Valeria A., Plush, Kate J., Barton, Mary D.
Publié dans Life (Basel) (2021)

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

par Nowland, Tanya L, Kirkwood, Roy N, Plush, Kate J, Barton, Mary D, Torok, Valeria A
Publié dans J Anim Sci (2021)

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

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

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

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

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

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