Online Books by
F. A. Hays
(Hays, F. A. (Frank Alfred), 1888-)
Books from the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Hays, F. A. (Frank Alfred), 1888-: Breeding for egg production (Massachusetts State College, 1934), also by Ruby Sanborn (page images at HathiTrust; US access only)- Hays, F. A. (Frank Alfred), 1888-: Breeding Rhode Island Reds for rapid feathering (Massachusetts State College, 1942), also by Ruby Sanborn (page images at HathiTrust; US access only)
- Hays, F. A. (Frank Alfred), 1888-: Characteristics of non-broody and intense broody lines of Rhode Island Reds (Massachusetts State College, 1933) (page images at HathiTrust; US access only)
- Hays, F. A. (Frank Alfred), 1888-: Crossing production and exhibition Rhode Island reds (Massachusetts State College, 1935) (page images at HathiTrust; US access only)
- Hays, F. A. (Frank Alfred), 1888-: Duration of annual molt in relation to egg production (Massachusetts Agricultural Experiment Station, 1930), also by Ruby Sanborn (page images at HathiTrust; US access only)
- Hays, F. A. (Frank Alfred), 1888-: Effects of inbreeding on fecundity in Rhode Island reds (Massachusetts State College, 1934) (page images at HathiTrust; US access only)
- Hays, F. A. (Frank Alfred), 1888-: Factors affecting annual egg production (Massachusetts State College, 1944) (page images at HathiTrust; US access only)
- Hays, F. A. (Frank Alfred), 1888-: Factors affecting fertility in Rhode Island Reds (Massachusetts State College, 1939), also by Ruby Sanborn (page images at HathiTrust; US access only)
- Hays, F. A. (Frank Alfred), 1888-: Feeding yearling steers (University of Wyoming, Agricultural Experiment Station, 1922) (page images at HathiTrust)
- Hays, F. A. (Frank Alfred), 1888-: Hereditary and environmental factors affecting variability in egg production (Massachusetts State College, 1932) (page images at HathiTrust; US access only)
- Hays, F. A. (Frank Alfred), 1888-: Homegrown feeds for range steers (University of Wyoming, Agricultural Experiment Station, 1921), also by Wyoming Agricultural Experiment Station (page images at HathiTrust)
- Hays, F. A. (Frank Alfred), 1888-: The importance of length of incubation period in Rhode Island reds (Massachusetts State College, 1941) (page images at HathiTrust; US access only)
- Hays, F. A. (Frank Alfred), 1888-: Inbreeding in relation to egg production (Massachusetts Agricultural Experiment Station, 1929) (page images at HathiTrust)
- Hays, F. A. (Frank Alfred), 1888-: Inheritance of broodiness in Rhode Island Reds (Massachusetts State College, 1940) (page images at HathiTrust; US access only)
- Hays, F. A. (Frank Alfred), 1888-: Inheritance of egg size and egg character (Massachusetts State College, 1937) (page images at HathiTrust; US access only)
- Hays, F. A. (Frank Alfred), 1888-: The inheritance of intensity of laying in Rhode Island Reds (University of Massachusetts, 1947) (page images at HathiTrust; US access only)
- Hays, F. A. (Frank Alfred), 1888-: Mortality studies in Rhode Island Reds (Massachusetts State College, 1944) (page images at HathiTrust; US access only)
- Hays, F. A. (Frank Alfred), 1888-: Mortality studies in Rhode Island Reds II (University of Massachusetts, 1947) (page images at HathiTrust; US access only)
- Hays, F. A. (Frank Alfred), 1888-: Native feeds for fattening lambs (University of Wyoming, Agricultural Experiment Station, 1922), also by Wyoming Agricultural Experiment Station (page images at HathiTrust)
- Hays, F. A. (Frank Alfred), 1888-: Pedigree : the basis of selecting breeding males for egg production (Massachusetts Agricultural Experiment Station, 1923), also by Ruby Sanborn (page images at HathiTrust)
- Hays, F. A. (Frank Alfred), 1888-: Poultry breeding applied (Watt Pub. Co., 1952), also by G. T. Klein (page images at HathiTrust)
- Hays, F. A. (Frank Alfred), 1888-: Poultry breeding applied (Poultry-Dairy Publishing Co., 1943), also by G. T. Klein (page images at HathiTrust)
- Hays, F. A. (Frank Alfred), 1888-: Rate of growth in Rhode Island Reds (Massachusetts Agricultural Experiment Station, 1929), also by Ruby Sanborn (page images at HathiTrust)
- Hays, F. A. (Frank Alfred), 1888-: The relation of feather pigmentation to intensity of laying in Rhode Island Reds (Massachusetts State College, 1932) (page images at HathiTrust; US access only)
- Hays, F. A. (Frank Alfred), 1888-: Relation of intensity to egg weight and egg production (Massachusetts State College, 1944) (page images at HathiTrust; US access only)
- Hays, F. A. (Frank Alfred), 1888-: The significance of body weight in breeding for egg production (Massachusetts State College, 1939) (page images at HathiTrust; US access only)
- Hays, F. A. (Frank Alfred), 1888-: The significance of length of biological laying year in production breeding (Massachusetts State College, 1933), also by Ruby Sanborn (page images at HathiTrust; US access only)
- Hays, F. A. (Frank Alfred), 1888-: Time interval from first egg to standard egg weight in Rhode Island Red pullets (Massachusetts State College, 1934) (page images at HathiTrust; US access only)
- Hays, F. A. (Frank Alfred), 1888-: Types of intensity in Rhode Island reds (Massachusetts State College, 1932), also by Ruby Sanborn (page images at HathiTrust; US access only)
- Hays, F. A. (Frank Alfred), 1888-: The value of limited trapnesting in poultry breeding (Massachusetts State College, 1946) (page images at HathiTrust; US access only)
- Hays, F. A. (Frank Alfred), 1888-: Variability in egg weight in Rhode Island Reds (Massachusetts State College, 1944) (page images at HathiTrust; US access only)
- Hays, F. A. (Frank Alfred), 1888-: Vigor in production-bred flocks (Massachusetts Agricultural Experiment Station, 1928), also by Ruby Sanborn (page images at HathiTrust)
- Hays, F. A. (Frank Alfred), 1888-: Winter pause in Rhode Island reds (Massachusetts State College, 1936) (page images at HathiTrust; US access only)
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